Merge pull request #2144 from FedML-AI/hotfix/endpoint_metrics_attribute

Renaming endpoint_id key to end_point_id

Author: fedml-dimitris

python/fedml/computing/scheduler/model_scheduler/autoscaler/autoscaler.py

@@ -339,7 +339,7 @@ def scale_operation_endpoint(self,
 
         # Fetch all metrics record from the database.
         metrics = self.fedml_model_cache.get_endpoint_metrics(
-            endpoint_id=endpoint_id)
+            end_point_id=endpoint_id)
 
         # Default to nothing.
         scale_op = ScaleOp.NO_OP