Fix FSC

Author: esrakartalOpt

optimizely/decision_service.py

@@ -905,9 +905,9 @@ def get_variation_for_holdout(
             self.logger.info(message)
             decide_reasons.append(message)
 
-            # Create Decision for holdout - experiment is None, source is HOLDOUT
+            # Create Decision for holdout - pass holdout dict as experiment, source is HOLDOUT
             holdout_decision: Decision = Decision(
-                experiment=None,
+                experiment=holdout,  # type: ignore[arg-type]
                 variation=variation,
                 source=enums.DecisionSources.HOLDOUT,
                 cmab_uuid=None

optimizely/optimizely.py

@@ -1252,7 +1252,15 @@ def _create_optimizely_decision(
 
         # Create Optimizely Decision Result.
         attributes = user_context.get_user_attributes()
-        rule_key = flag_decision.experiment.key if flag_decision.experiment else None
+        # Handle both Experiment entities and holdout dicts
+        if flag_decision.experiment:
+            if isinstance(flag_decision.experiment, dict):
+                # Holdout is a dict, not an Experiment entity
+                rule_key = flag_decision.experiment.get('key')
+            else:
+                rule_key = flag_decision.experiment.key
+        else:
+            rule_key = None
         all_variables = {}
         decision_source = flag_decision.source
         decision_event_dispatched = False