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_bytes_with_escaped_chars(self):
        encoded = cypher_repr(b"hello, 'world'", quote=u"'")
        assert encoded == u"'hello, \\'world\\''"