def test_singleModule(self):
        """
        L{wrapFQPN} returns a L{twisted.python.modules.PythonModule}
        referring to the single module a dotless FQPN describes.
        """
        import os

        moduleWrapper = self.wrapFQPN('os')

        self.assertIsInstance(moduleWrapper, self.PythonModule)
        self.assertIs(moduleWrapper.load(), os)

        L{wrapFQPN} returns a L{twisted.python.modules.PythonModule}
        referring to the single module a dotless FQPN describes.
        
stackoverflow/venv/lib/python3.6/site-packages/automat/_test/test_discover.py