Py26-compatible asserts
Py26-compatible asserts

Bachmann1234/marshmallow,quxiaolong1504/marshmallow,dwieeb/marshmallow,jmcarp/marshmallow,0xDCA/marshmallow,mwstobo/marshmallow,jmcarp/marshmallow,etataurov/marshmallow,bartaelterman/marshmallow,daniloakamine/marshmallow,0xDCA/marshmallow,VladimirPal/marshmallow,Tim-Erwin/marshmallow,marshmallow-code/marshmallow,maximkulkin/marshmallow,xLegoz/marshmallow