(stmt)
return None
:param Stmt.Call stmt:
        :return:
def _get_call_target(stmt):
        """

        :param Stmt.Call stmt:
        :return:
        """

        if type(stmt.target) is Expr.Const:
            return stmt.target.value

        return None
def _get_call_target ( stmt ) : if type ( stmt . target ) is Expr . Const : return stmt . target . value return None