[qa] Fix python lint

Fixes openwisp#20

commitCheck.py

@@ -7,9 +7,10 @@
 repo = sys.argv[1]
 commit = sys.argv[2]
 
+
 # Function converter from php to python
-def mb_substr(s, start, length=None) :
-    return (s[start :(start + length)])
+def mb_substr(s, start, length=None):
+    return (s[start:(start + length)])
 
 
 # Get Github token
@@ -34,36 +35,38 @@ def mb_substr(s, start, length=None) :
 errors = []
 
 # Check dot in end of the first line
-if api_message_explode[0][
-    len(api_message_explode[0].strip()) - 1].strip() == '.' :
-        errors.append("Do not add a final dot at the end of the first line.")
+if api_message_explode[0][len(api_message_explode[0].strip()) - 1].strip() == '.':
+    errors.append("Do not add a final dot at the end of the first line.")
 
 # Check prefix
 prefix = re.match('\[(.*?)\]', api_message_explode[0])
 
-if not prefix :
-    errors.append("Add prefix in beginning of the commit. Example: [module/file/feature]")
+if not prefix:
+    errors.append(
+        "Add prefix in beginning of the commit. Example: [module/file/feature]"
+    )
 
 # Check capital after prefix
 commitMessagefirst = api_message_explode[0].replace(prefix.group(), '').strip()
-if not commitMessagefirst[0].isupper() :
+if not commitMessagefirst[0].isupper():
     errors.append("No capital letter after prefix")
 
 # Check blank page before first line and second line
 if api_message_explode_count > 1:
     print(api_message_explode[1])
-    if api_message_explode[1] != '' :
+    if api_message_explode[1] != '':
         errors.append("No blank line before first line and second line")
 
 # Check is error
-if len(errors) == 0 :
+if len(errors) == 0:
     body = "All check done, no errors."
-else :
+else:
     body = "You have errors with commit message: \n"
-    for e in errors :
+    for e in errors:
         body += "- " + e + "\n"
 
-search = requests.get(api + 
+search = requests.get(
+    api + 
     '/search/issues?q=typetype:pr%20sha:' 
     + mb_substr(commit, 0, 7) +
     '%20is_unmerged%20author:'
@@ -75,12 +78,18 @@ def mb_substr(s, start, length=None) :
 
 if len(search_body['items']) > 0:
     search_data = search_body['items'][0]['number']
-    response_url = "/repos/" + str(repo) + "/issues/" + str(search_data) + "/comments"
+    response_url = (
+        "/repos/" + str(repo)
+        "/issues/" + str(search_data) + "/comments")
 
     headers = {
         'Authorization': 'token %s' % github_token
     }
     post_fields = {
         'body': body
     }
-    review = requests.post(api + response_url, json=post_fields, headers=headers)
+    review = requests.post(
+        api + 
+        response_url, 
+        json=post_fields, 
+        headers=headers)