def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def test_should_encode_node_with_label_and_property(self):
        a = Node("Person", name="Alice")
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"(:Person {name: 'Alice'})"