Raise an error if handler_method is passed to Rule when handler uses the 'handler:method' format.
Raise an error if handler_method is passed to Rule when handler uses the 'handler:method' format.

pombreda/tipfy,adilhz/tipfy,pombreda/tipfy,pombreda/tipfy,adilhz/tipfy,google-code-export/tipfy,google-code-export/tipfy,google-code-export/tipfy