remove deduplication as default

enrollments-events/app/events/reenroll_if_failed.py

@@ -23,18 +23,25 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     new_image = event.detail['new_image']
     metadata = dyn.collection.get_items(
         TransactKey(new_image['id'])
-        + SortKey('METADATA#SUBSCRIPTION_COVERED', rename_key='subscription')
+        + SortKey(
+            'METADATA#SUBSCRIPTION_COVERED',
+            rename_key='subscription',
+        )
         + SortKey(
             'METADATA#DEDUPLICATION_WINDOW',
             path_spec='offset_days',
             rename_key='dedup_window_offset_days',
         )
-        + SortKey('ORG', rename_key='org'),
+        + SortKey(
+            'ORG',
+            rename_key='org',
+        ),
         flatten_top=False,
     )
     user = User.model_validate(new_image['user'])
     course = Course.model_validate(new_image['course'])
     subscription = metadata['subscription'] if 'subscription' in metadata else None
+    offset_days = metadata.get('dedup_window_offset_days', None)
     enrollment = Enrollment(
         id=uuid4(),
         course=course,
@@ -45,9 +52,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
         enrollment,
         org=metadata.get('org', None),
         subscription=subscription,
-        deduplication_window={
-            'offset_days': metadata['dedup_window_offset_days'],
-        },
+        deduplication_window={'offset_days': offset_days} if offset_days else None,
         linked_entities=frozenset(
             {
                 LinkedEntity(