# pylint: disable=C0111,R0903,W0232
"""
#2479

R0201 (formely W0212), Method could be a function shouldn't be emitted in case
like factory method pattern
"""
__revision__ = 1

class XAsub:
    pass
class XBsub(XAsub):
    pass
class XCsub(XAsub):
    pass

class Aimpl:
    # disable "method could be a function" on classes which are not overriding
    # the factory method because in that case the usage of polymorphism is not
    # detected
    # pylint: disable=R0201
    def makex(self): 
        return XAsub() 

class Bimpl(Aimpl):

    def makex(self):
        return XBsub()

class Cimpl(Aimpl):

    def makex(self):
        return XCsub()

