Fix CreateCatalogItem lint

Author: aIbrahiim

sdks/python/apache_beam/ml/gcp/recommendations_ai.py

@@ -79,9 +79,11 @@ def get_recommendation_user_event_client():
 
 
 class CreateCatalogItem(PTransform):
-  """Creates catalogitem information.
-    The ``PTransform`` returns a PCollectionTuple with a PCollections of
-    successfully and failed created CatalogItems.
+  """Creates catalog item records.
+
+    The ``PTransform`` returns a ``PCollectionTuple`` of successfully created
+    catalog items (``created_catalog_items``) and failures
+    (``failed_catalog_items``).
 
     Example usage::
 
@@ -125,14 +127,15 @@ def expand(self, pcoll):
       raise ValueError(
           """GCP project name needs to be specified in "project" pipeline
             option""")
-    return pcoll | ParDo(
+    pardo = ParDo(
         _CreateCatalogItemFn(
             self.project,
             self.retry,
             self.timeout,
             self.metadata,
-            self.catalog_name)).with_outputs(
-                FAILED_CATALOG_ITEMS, main='created_catalog_items')
+            self.catalog_name))
+    return pardo.with_outputs(
+        FAILED_CATALOG_ITEMS, main='created_catalog_items')
 
 
 class _CreateCatalogItemFn(DoFn):