@utils.check_messages('self-assigning-variable', 'redeclared-assigned-name')
def visit_assign(self, node):
    self._check_self_assigning_variable(node)
    self._check_redeclared_assign_name(node.targets)
@utils.check_messages('self-assigning-variable', 'redeclared-assigned-name')
def visit_assign(self, node):
    self._check_self_assigning_variable(node)
    self._check_redeclared_assign_name(node.targets)