Fix checking for args
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				|  | @ -46,7 +46,7 @@ if hasattr(inspect, 'signature'): | ||||||
|         return str(inspect.signature(func)) |         return str(inspect.signature(func)) | ||||||
| else: | else: | ||||||
|     def _has_positional_arg(func): |     def _has_positional_arg(func): | ||||||
|         return inspect.getargspec(func)[0] is not None |         return bool(inspect.getargspec(func).args) | ||||||
| 
 | 
 | ||||||
|     def _format_args(func): |     def _format_args(func): | ||||||
|         return inspect.formatargspec(*inspect.getargspec(func)) |         return inspect.formatargspec(*inspect.getargspec(func)) | ||||||
|  |  | ||||||
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