Fixed typo in enum_stmt method.
Fixed typo in enum_stmt method.

davidegurgone/pyang,kspviswa/pyang,vkosuri/pyang,brenoah/pyang,kspviswa/pyang,acidjunk/pyang,mbj4668/pyang,davidegurgone/pyang,acidjunk/pyang,mbj4668/pyang,vkosuri/pyang,brenoah/pyang,krvinay123/test,krvinay123/test,jgatkinsn/pyang,jgatkinsn/pyang