Fix for using the new execute format.
Fix for using the new execute format.

OpenNewsLabs/pybossa,Scifabric/pybossa,Scifabric/pybossa,jean/pybossa,inteligencia-coletiva-lsd/pybossa,geotagx/pybossa,stefanhahmann/pybossa,inteligencia-coletiva-lsd/pybossa,geotagx/pybossa,harihpr/tweetclickers,PyBossa/pybossa,stefanhahmann/pybossa,PyBossa/pybossa,jean/pybossa,OpenNewsLabs/pybossa,harihpr/tweetclickers