flake8 fix

Author: gonchik

atlassian/xray.py

@@ -26,7 +26,6 @@ def resource_url(self, resource, api_root=None, api_version=None):
             api_version = self.api_version
         return "/".join(s.strip("/") for s in [api_root, api_version, "api", resource] if s is not None)
 
-
     # Tests API
     def get_tests(self, test_keys):
         """