def load_installed_version(self):
        installed_packages = get_installed_pypackages()
        if self.package in installed_packages:
            self.version = "=={}".format(
                installed_packages[self.package].version)
def test_should_encode_node_with_property(self):
        a = Node(name="Alice")
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"({name: 'Alice'})"