Fix url for swagger endpoint get

Author: ryanaguilar

lightbeam/api.py

@@ -230,7 +230,7 @@ def load_swagger_docs(self):
                 else:
                     self.logger.debug(f"fetching {endpoint_type} swagger doc...")
                     try:
-                        response = self.get_with_protocol_fallback(self.config[endpoint_type], endpoint_type)
+                        response = self.get_with_protocol_fallback(swagger_url, endpoint_type)
                         if not response.ok:
                             raise Exception("OpenAPI metadata URL returned status {0} ({1})".format(response.status_code, (response.content[:75] + "...") if len(response.content)>75 else response.content))
                         swagger = response.json()