flake8 / flake8 /

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File flake8/

 def skip_warning(warning, ignore=[]):
     # XXX quick dirty hack, just need to keep the line in the warning
-    if not hasattr(warning, 'message'):
+    if not hasattr(warning, 'message') or ignore is None:
         # McCabe's warnings cannot be skipped afaik, and they're all strings.
+        # And we'll get a TypeError otherwise
         return False
     if warning.message.split()[0] in ignore:
         return True