diff --git a/examples/python/binary_message.py b/examples/python/binary_message.py
index 9c85d1094..d020c842a 100644
--- a/examples/python/binary_message.py
+++ b/examples/python/binary_message.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/bufr_attributes.py b/examples/python/bufr_attributes.py
index 967a77ea1..630947a99 100644
--- a/examples/python/bufr_attributes.py
+++ b/examples/python/bufr_attributes.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_attributes
@@ -51,10 +52,10 @@ def example():
         # i.e. unpack the data values
         codes_set(gid, 'unpack', 1)
 
-        #---------------------------------------------------------------
+        # --------------------------------------------------------------
         # We will read the value and all the attributes available for
         # the 2m temperature.
-        #---------------------------------------------------------------
+        # --------------------------------------------------------------
         # get the value
         key = 'airTemperatureAt2M'
         try:
@@ -72,11 +73,11 @@ def example():
             except CodesInternalError, err:
                 print 'Error with key="%s" : %s' % (key, err.msg)
 
-        #--------------------------------------------------------------------
+        # ------------------------------------------------------------------
         # The 2m temperature data element in this message has an associated
         # field: percentConfidence. Its value and attributes can be accessed
         # in a similar manner as was shown above for 2m temperature.
-        #-------------------------------------------------------------------
+        # ------------------------------------------------------------------
 
         # get the value
         key = 'airTemperatureAt2M->percentConfidence'
diff --git a/examples/python/bufr_clone.py b/examples/python/bufr_clone.py
index f4e61e91c..fdc476107 100644
--- a/examples/python/bufr_clone.py
+++ b/examples/python/bufr_clone.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 #
@@ -63,7 +64,7 @@ def example():
 def main():
     try:
         example()
-    except CodesInternalError, err:
+    except CodesInternalError as err:
         if VERBOSE:
             traceback.print_exc(file=sys.stderr)
         else:
diff --git a/examples/python/bufr_encode_flight.py b/examples/python/bufr_encode_flight.py
index b5871e63f..51706675c 100644
--- a/examples/python/bufr_encode_flight.py
+++ b/examples/python/bufr_encode_flight.py
@@ -18,7 +18,7 @@ from eccodes import *
 
 def example(csvfile, input_filename, output_filename):
 
-    fbufrin = open(input_filename,  'rb')
+    fbufrin = open(input_filename, 'rb')
     fbufrout = open(output_filename, 'wb')
 
     print 'Using ecCodes version: ', codes_get_api_version()
diff --git a/examples/python/bufr_expanded.py b/examples/python/bufr_expanded.py
index fdc8ca6cd..0abdf5992 100644
--- a/examples/python/bufr_expanded.py
+++ b/examples/python/bufr_expanded.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_get_keys
@@ -42,9 +43,9 @@ def example():
         # i.e. unpack the data values
         codes_set(gid, 'unpack', 1)
 
-        #-----------------------------------
+        # ----------------------------------
         # get all the expanded data values
-        #-----------------------------------
+        # ----------------------------------
         key = 'numericValues'
 
         # get size
diff --git a/examples/python/bufr_get_keys.py b/examples/python/bufr_get_keys.py
index 7c2b8f325..4410e313a 100644
--- a/examples/python/bufr_get_keys.py
+++ b/examples/python/bufr_get_keys.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_get_keys
@@ -42,9 +43,9 @@ def example():
         # i.e. unpack the data values
         codes_set(gid, 'unpack', 1)
 
-        #----------------------------------------------
+        # ---------------------------------------------
         # get values for keys holding a single value
-        #----------------------------------------------
+        # ---------------------------------------------
         # Native type integer
         key = 'blockNumber'
 
@@ -74,9 +75,9 @@ def example():
         except CodesInternalError, err:
             print 'Error with key="%s" : %s' % (key, err.msg)
 
-        #---------------------------------
+        # --------------------------------
         # get values for an array
-        #---------------------------------
+        # --------------------------------
         # Native type integer
         key = 'bufrdcExpandedDescriptors'
 
diff --git a/examples/python/bufr_keys_iterator.py b/examples/python/bufr_keys_iterator.py
index 5c8b52e10..d0d87168b 100644
--- a/examples/python/bufr_keys_iterator.py
+++ b/examples/python/bufr_keys_iterator.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_keys_iterator
@@ -59,8 +60,6 @@ def example():
 
             # print key name
             keyname = codes_keys_iterator_get_name(iterid)
-            #keyval = codes_get_string(iterid,keyname)
-            # print "%s = %s" % (keyname,keyval)
             print "  %s" % keyname
 
         # delete the key iterator
diff --git a/examples/python/bufr_read_header.py b/examples/python/bufr_read_header.py
index 6fa7f3b4f..9b606cd20 100644
--- a/examples/python/bufr_read_header.py
+++ b/examples/python/bufr_read_header.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 
 #
diff --git a/examples/python/bufr_read_scatterometer.py b/examples/python/bufr_read_scatterometer.py
index 7eb26d77e..51c9e369f 100644
--- a/examples/python/bufr_read_scatterometer.py
+++ b/examples/python/bufr_read_scatterometer.py
@@ -3,17 +3,20 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation:  bufr_read_scatterometer
 #
-# Description: how to read data for a given beam from scatterometer BUFR messages.
+# Description: how to read data for a given beam from scatterometer BUFR
+# messages.
 #
-# Please note that scatterometer data can be encoded in various ways in BUFR. Therefore the code
-# below might not work directly for other types of messages than the one used in the
-# example. It is advised to use bufr_dump first to understand the structure of these messages.
+# Please note that scatterometer data can be encoded in various ways in BUFR.
+# Therefore the code below might not work directly for other types of messages
+# than the one used in the example. It is advised to use bufr_dump first to
+# understand the structure of these messages.
 #
 
 
@@ -46,12 +49,13 @@ def example():
         # i.e. unpack the data values
         codes_set(gid, 'unpack', 1)
 
-        # The BUFR file contains a single message with 2016 subsets in a compressed form.
-        # It means each subset has exactly the same structure: they store one location with
-        # several beams and one backscatter value in each beam.
+        # The BUFR file contains a single message with 2016 subsets in a
+        # compressed form. It means each subset has exactly the same structure:
+        # they store one location with several beams and one backscatter value
+        # in each beam.
         #
-        # To print the backScatter values for beamIdentifier=2 from all the subsets
-        # we will simply access the key by condition (see below)
+        # To print the backScatter values for beamIdentifier=2 from all the
+        # subsets we will simply access the key by condition (see below)
 
         # Get the total number of subsets.
         numObs = codes_get(gid, "numberOfSubsets")
@@ -64,8 +68,8 @@ def example():
         # Get longitude (for all the subsets)
         lon = codes_get_array(gid, "longitude")
 
-        # Get backScatter for beam two. We use an access by condition for this key.
-        #(for all the subsets)
+        # Get backScatter for beam two. We use an access by condition for this
+        # key (for all the subsets).
         bscat = codes_get_array(gid, "/beamIdentifier=2/backscatter")
 
         # Check that all arrays are same size
diff --git a/examples/python/bufr_read_synop.py b/examples/python/bufr_read_synop.py
index 6f5620cb4..7d9b5d17e 100644
--- a/examples/python/bufr_read_synop.py
+++ b/examples/python/bufr_read_synop.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_read_synop
@@ -12,11 +13,10 @@
 # Description: how to read data values from BUFR messages.
 #
 
-#
-# Please note that SYNOP reports can be encoded in various ways in BUFR. Therefore the code
-# below might not work directly for other types of SYNOP messages than the one used in the
-# example. It is advised to use bufr_dump to understand the structure of the messages.
-#
+# Please note that SYNOP reports can be encoded in various ways in BUFR.
+# Therefore the code below might not work directly for other types of SYNOP
+# messages than the one used in the example. It is advised to use bufr_dump to
+# understand the structure of the messages.
 
 import traceback
 import sys
@@ -55,7 +55,8 @@ def example():
     # cloud block introduced by the key
     # verticalSignificanceSurfaceObservations=1.
     # We know that this is the first occurrence of the keys we want to
-    # read so in the list above we used the # (occurrence) operator accordingly.
+    # read so in the list above we used the # (occurrence) operator
+    # accordingly.
 
     cnt = 0
 
diff --git a/examples/python/bufr_read_temp.py b/examples/python/bufr_read_temp.py
index 4cb769911..cc45e1360 100644
--- a/examples/python/bufr_read_temp.py
+++ b/examples/python/bufr_read_temp.py
@@ -3,18 +3,21 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_read_temp
 #
-# Description: how to read temperature  significant levels from TEMP BUFR messages.
+# Description: how to read temperature  significant levels from TEMP BUFR
+# messages.
 #
 #
-# Please note that TEMP reports can be encoded in various ways in BUFR. Therefore the code
-# below might not work directly for other types of TEMP messages than the one used in the
-# example. It is advised to use bufr_dump to understand the structure of the messages.
+# Please note that TEMP reports can be encoded in various ways in BUFR.
+# Therefore the code below might not work directly for other types of TEMP
+# messages than the one used in the example. It is advised to use bufr_dump to
+# understand the structure of the messages.
 #
 
 import traceback
@@ -60,23 +63,29 @@ def example():
         # We find out the number of temperature significant levels by
         # counting how many pressure values we have on these levels.
 
-        numSigT = codes_get_size(gid, "/verticalSoundingSignificance=4/pressure")
+        numSigT = codes_get_size(
+            gid, "/verticalSoundingSignificance=4/pressure")
         print '  Number of temperature significant levels %ld' % (numSigT)
 
         # Get pressure
-        sigt_pres = codes_get_array(gid, "/verticalSoundingSignificance=4/pressure")
+        sigt_pres = codes_get_array(
+            gid, "/verticalSoundingSignificance=4/pressure")
 
         # Get gepotential
-        sigt_geo = codes_get_array(gid, "/verticalSoundingSignificance=4/geopotential")
+        sigt_geo = codes_get_array(
+            gid, "/verticalSoundingSignificance=4/geopotential")
 
         # Get temperature
-        sigt_t = codes_get_array(gid, "/verticalSoundingSignificance=4/airTemperature")
+        sigt_t = codes_get_array(
+            gid, "/verticalSoundingSignificance=4/airTemperature")
 
         # Get dew point
-        sigt_td = codes_get_array(gid, "/verticalSoundingSignificance=4/dewpointTemperature")
+        sigt_td = codes_get_array(
+            gid, "/verticalSoundingSignificance=4/dewpointTemperature")
 
         # Check that all arrays are same size
-        if len(sigt_pres) != numSigT or len(sigt_geo) != numSigT or len(sigt_t) != numSigT or len(sigt_td) != numSigT:
+        if len(sigt_pres) != numSigT or len(sigt_geo) != numSigT or \
+           len(sigt_t) != numSigT or len(sigt_td) != numSigT:
             print 'inconsistent array dimension'
             return 1
 
@@ -85,7 +94,9 @@ def example():
         print "-------------------------------"
 
         for i in xrange(numSigT):
-            print "%3d %6.0f %6.0f %.1f %.1f" % (i + 1, sigt_pres[i], sigt_geo[i], sigt_t[i], sigt_td[i])
+            print "%3d %6.0f %6.0f %.1f %.1f" % (i + 1, sigt_pres[i],
+                                                 sigt_geo[i], sigt_t[i],
+                                                 sigt_td[i])
 
         cnt += 1
 
diff --git a/examples/python/bufr_read_tropical_cyclone.py b/examples/python/bufr_read_tropical_cyclone.py
index f27ba3c4d..f2dd1fcb3 100644
--- a/examples/python/bufr_read_tropical_cyclone.py
+++ b/examples/python/bufr_read_tropical_cyclone.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 
 #
diff --git a/examples/python/bufr_set_keys.py b/examples/python/bufr_set_keys.py
index 92401b346..003984cf5 100644
--- a/examples/python/bufr_set_keys.py
+++ b/examples/python/bufr_set_keys.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_set_keys
diff --git a/examples/python/bufr_subset.py b/examples/python/bufr_subset.py
index eb189d5d0..065240e8d 100644
--- a/examples/python/bufr_subset.py
+++ b/examples/python/bufr_subset.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_subset
diff --git a/examples/python/count_messages.py b/examples/python/count_messages.py
index 0b15111eb..6ee389404 100644
--- a/examples/python/count_messages.py
+++ b/examples/python/count_messages.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/get_product_kind.py b/examples/python/get_product_kind.py
index a5055661b..6209adf96 100644
--- a/examples/python/get_product_kind.py
+++ b/examples/python/get_product_kind.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 # Python implementation: get_product_kind
diff --git a/examples/python/grib_clone.py b/examples/python/grib_clone.py
index 61016ddc2..6b10f84df 100644
--- a/examples/python/grib_clone.py
+++ b/examples/python/grib_clone.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/grib_get_keys.py b/examples/python/grib_get_keys.py
index 96733eea1..cec66239e 100644
--- a/examples/python/grib_get_keys.py
+++ b/examples/python/grib_get_keys.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 import traceback
 import sys
diff --git a/examples/python/grib_index.py b/examples/python/grib_index.py
index 9b80a6457..24accf52e 100644
--- a/examples/python/grib_index.py
+++ b/examples/python/grib_index.py
@@ -4,11 +4,13 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
-# Description: How to create and use an index to access GRIB messages from a file
+# Description: How to create and use an index to access GRIB messages from
+# a file
 
 import traceback
 import sys
@@ -68,7 +70,8 @@ def example():
             gid = codes_new_from_index(iid)
             if gid is None:
                 break
-            print " ".join(["%s=%s" % (key, codes_get(gid, key)) for key in index_keys])
+            print " ".join(["%s=%s" % (key, codes_get(gid, key))
+                            for key in index_keys])
             codes_release(gid)
 
     codes_index_release(iid)
diff --git a/examples/python/grib_iterator.py b/examples/python/grib_iterator.py
index 9fc1e31d8..8f179054b 100644
--- a/examples/python/grib_iterator.py
+++ b/examples/python/grib_iterator.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/grib_keys_iterator.py b/examples/python/grib_keys_iterator.py
index e3a494694..d798be119 100644
--- a/examples/python/grib_keys_iterator.py
+++ b/examples/python/grib_keys_iterator.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/grib_multi_write.py b/examples/python/grib_multi_write.py
index b22dd1356..65439cc59 100644
--- a/examples/python/grib_multi_write.py
+++ b/examples/python/grib_multi_write.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/grib_nearest.py b/examples/python/grib_nearest.py
index f87afc1c8..14c16901b 100644
--- a/examples/python/grib_nearest.py
+++ b/examples/python/grib_nearest.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
@@ -26,7 +27,8 @@ def example():
     for lat, lon in points:
         nearest = codes_grib_find_nearest(gid, lat, lon)[0]
         print lat, lon
-        print nearest.lat, nearest.lon, nearest.value, nearest.distance, nearest.index
+        print nearest.lat, nearest.lon, nearest.value, nearest.distance, \
+            nearest.index
 
         four = codes_grib_find_nearest(gid, lat, lon, is_lsm=False, npoints=4)
         for i in range(len(four)):
diff --git a/examples/python/grib_print_data.py b/examples/python/grib_print_data.py
index 98b62868a..44302bc35 100644
--- a/examples/python/grib_print_data.py
+++ b/examples/python/grib_print_data.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/grib_set_bitmap.py b/examples/python/grib_set_bitmap.py
index dfff5e86e..72dee5bb7 100644
--- a/examples/python/grib_set_bitmap.py
+++ b/examples/python/grib_set_bitmap.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 import traceback
 import sys
@@ -34,7 +35,8 @@ def example():
 
     # Check counts of missing and non-missing values
     num_data = codes_get(gid, 'numberOfDataPoints', int)
-    assert(codes_get(gid, 'numberOfCodedValues', int) == num_data - num_missing)
+    assert(codes_get(gid, 'numberOfCodedValues', int)
+           == num_data - num_missing)
     assert(codes_get(gid, 'numberOfMissing', int) == num_missing)
 
     codes_write(gid, fout)
diff --git a/examples/python/grib_set_keys.py b/examples/python/grib_set_keys.py
index 8ec90ae5d..0e05c8684 100644
--- a/examples/python/grib_set_keys.py
+++ b/examples/python/grib_set_keys.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 import traceback
 import sys
diff --git a/examples/python/grib_set_pv.py b/examples/python/grib_set_pv.py
index 8b433f279..9fbe0ca14 100644
--- a/examples/python/grib_set_pv.py
+++ b/examples/python/grib_set_pv.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/gts_get_keys.py b/examples/python/gts_get_keys.py
index 9b87563ba..05631d7b3 100644
--- a/examples/python/gts_get_keys.py
+++ b/examples/python/gts_get_keys.py
@@ -3,8 +3,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: bufr_get_keys
@@ -38,9 +39,9 @@ def example():
 
         print "message: %s" % cnt
 
-        #----------------------------------------------
+        # ---------------------------------------------
         # get values for keys holding a single value
-        #----------------------------------------------
+        # ---------------------------------------------
         keys = ['TT', 'AA', 'II', 'CCCC', 'YY', 'GG', 'gg', 'BBB']
 
         for key in keys:
diff --git a/examples/python/keys_iterator_bufr.py b/examples/python/keys_iterator_bufr.py
index 29f72ab7d..260020d05 100644
--- a/examples/python/keys_iterator_bufr.py
+++ b/examples/python/keys_iterator_bufr.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/keys_iterator_gts.py b/examples/python/keys_iterator_gts.py
index ef6a29508..901c892c7 100644
--- a/examples/python/keys_iterator_gts.py
+++ b/examples/python/keys_iterator_gts.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/metar_get_keys.py b/examples/python/metar_get_keys.py
index 8fce48d83..2cacf20cb 100644
--- a/examples/python/metar_get_keys.py
+++ b/examples/python/metar_get_keys.py
@@ -3,13 +3,14 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 
 #
 # Python implementation: metar_get_keys
 #
-# Description: how to read values of different type of keys from METAR messages.
+# Description: how to read values of different type of keys from METAR messages
 #
 #
 
@@ -38,9 +39,9 @@ def example():
 
         print "message: %s" % cnt
 
-        #----------------------------------------------
+        # ---------------------------------------------
         # get values for keys holding a single value
-        #----------------------------------------------
+        # ---------------------------------------------
         keys = ['CCCC', 'latitude', 'longitude', 'dateTime',
                 'elevation', 'temperature', 'dewPointTemperature', 'qnh']
 
diff --git a/examples/python/samples.py b/examples/python/samples.py
index d87d70c27..8d43d8fe7 100644
--- a/examples/python/samples.py
+++ b/examples/python/samples.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback
diff --git a/examples/python/set_missing.py b/examples/python/set_missing.py
index edb8cc239..4c00c15f8 100644
--- a/examples/python/set_missing.py
+++ b/examples/python/set_missing.py
@@ -4,8 +4,9 @@
 # This software is licensed under the terms of the Apache Licence Version 2.0
 # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 #
-# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
-# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
 #
 
 import traceback