This statement seems to have no effect and could be removed.
This issue is typically triggered when a function that does not have
side-effects is called and the return value is discarded:
classSomeClass:def__init__(self):self._x=5defsquared(self):returnself._x*self._xsome_class=SomeClass()some_class.squared()# Flagged, as the return value is not usedprint(some_class.squared())# Ok