test pep8

.travis.yml

@@ -1,6 +1,7 @@
 language: cpp
 install:
   - sudo apt-get install g++ cmake gfortran
-  - sudo pip install pytest
+  - sudo pip install pytest pep8
 script:
+  - pep8 --ignore=E501 update.py
   - py.test -vv test/test.py

update.py

@@ -9,17 +9,16 @@ from collections import OrderedDict
 # for compatibility with Python < 2.7
 if sys.version_info[0] > 2:
     from configparser import RawConfigParser
-else:
-    from ConfigParser import RawConfigParser
-
-if sys.version_info[0] > 2:
     import urllib.request
+
     class URLopener(urllib.request.FancyURLopener):
         def http_error_default(self, url, fp, errcode, errmsg, headers):
             sys.stderr.write("ERROR: could not fetch %s\n" % url)
             sys.exit(-1)
 else:
+    from ConfigParser import RawConfigParser
     import urllib
+
     class URLopener(urllib.FancyURLopener):
         def http_error_default(self, url, fp, errcode, errmsg, headers):
             sys.stderr.write("ERROR: could not fetch %s\n" % url)