Correction self.assertRedirects

    def assertRedirects(self, response, location, message=None):
        """
        Checks if response is an HTTP redirect to the
        given location.

        :param response: Flask response
        :param location: relative URL path to SERVER_NAME or an absolute URL
        """
        parts_location = urlparse(location)

        valid_status_codes = (301, 302, 303, 305, 307)
        valid_status_code_str = ', '.join(str(code) for code in valid_status_codes)
        not_redirect = "HTTP Status %s expected but got %d" % (valid_status_code_str, response.status_code)
        self.assertTrue(response.status_code in valid_status_codes, message or not_redirect)

        if parts_location.netloc:
            expected_location = location
        else:
            server_name = self.app.config.get('SERVER_NAME') or 'localhost'
            expected_location = urljoin("http://%s" % server_name, location)
            #expected_location = location

        parts_response = urlparse(response.location)

        if parts_response.netloc:
            self.assertEqual(response.location, expected_location, message)
        else:
            server_name = self.app.config.get('SERVER_NAME') or 'localhost'
            response_url = urljoin("http://%s" % server_name, location)
            self.assertEqual(response_url, expected_location, message)