message: Change '== None' to 'is None'
diff: @@ -109,7 +109,7 @@ def main():
  match = re.search('^\+\+\+\ (.*?/){%s}(\S*)' % args.p, line)
  if match:
  filename = match.group(2)
  - if filename == None:
  + if filename is None:
  continue
  if args.regex is not None:
  