Fix for python2 again
Fix for python2 again

Convert to assertIsInstance, much more sensible

al4/orlo,eBayClassifiedsGroup/sponge,eBayClassifiedsGroup/orlo,al4/sponge,al4/sponge,eBayClassifiedsGroup/orlo,al4/sponge,eBayClassifiedsGroup/sponge,al4/orlo,eBayClassifiedsGroup/sponge