fix pep8 issues

catcli/catcli.py

@@ -144,7 +144,8 @@ def cmd_rename(args, noder, catalog, top):
         node = next(filter(lambda x: x.name == storage, top.children))
         node.name = new
         if catalog.save(top):
-            Logger.info('Storage \"{}\" renamed to \"{}\"'.format(storage, new))
+            m = 'Storage \"{}\" renamed to \"{}\"'.format(storage, new)
+            Logger.info(m)
     else:
         Logger.err('Storage named \"{}\" does not exist'.format(storage))
     return top

catcli/utils.py

@@ -57,7 +57,7 @@ def ask(question):
 def edit(string):
     ''' edit the information with the default EDITOR '''
     string = string.encode('utf-8')
-    EDITOR = os.environ.get('EDITOR','vim')
+    EDITOR = os.environ.get('EDITOR', 'vim')
     with tempfile.NamedTemporaryFile(prefix='catcli', suffix='.tmp') as f:
         f.write(string)
         f.flush()