                  else:
                      if sub_match:
                          sub_match_dict = dict(match.groupdict(), **self.default_kwargs)
                          sub_match_dict.update(sub_match.kwargs)
  
                          # If there are *any* named groups, ignore all non-named groups.
 
</s> remove                             sub_match.args,
 </s> add                             sub_match_args,
                        # Merge captured arguments in match with submatch
                  else:
                      if sub_match:
                        # Merge captured arguments in match with submatch
                          sub_match_dict = dict(match.groupdict(), **self.default_kwargs)
                          sub_match_dict.update(sub_match.kwargs)
  
                          # If there are *any* named groups, ignore all non-named groups.
keep add keep keep keep keep
 Fixed #12943 -- Allowed unnamed arguments to be propagated in includes

Propagated unnamed arguments as positional arguments into included
URLconfs if no named arguments are defined. Positional and keyword
arguments are never combined. 
django/core/urlresolvers.py