def getContext(self):
        """
        Return an L{OpenSSL.SSL.Context} object.
        """
        if self._context is None:
            self._context = self._makeContext()
        return self._context

        Return an L{OpenSSL.SSL.Context} object.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/_sslverify.py