fix lint & formatting

Author: aIbrahiim

sdks/python/apache_beam/transforms/enrichment_handlers/bigquery.py

@@ -187,7 +187,6 @@ def __call__(self, request: Union[beam.Row, list[beam.Row]], *args, **kwargs):
     if isinstance(request, list):
       responses = []
       requests_map: dict[Any, Any] = {}
-      batch_size = len(request)
       if self.fields and len(self.fields) > 0:
         unique_values = set()
         field_name = self.fields[0]
@@ -196,10 +195,9 @@ def __call__(self, request: Union[beam.Row, list[beam.Row]], *args, **kwargs):
           unique_values.add(req_dict[field_name])
         if unique_values:
           conditions = [f"{field_name} = '{val}'" for val in unique_values]
-          raw_query = "SELECT %s FROM %s WHERE %s" % (
-              self.select_fields,
-              self.table_name,
-              " OR ".join(conditions))
+          raw_query = "SELECT %s FROM %s WHERE %s" % (self.select_fields,
+                                                       self.table_name,
+                                                       " OR ".join(conditions))
         else:
           raw_query = self.query_template
       else:
@@ -231,7 +229,6 @@ def __call__(self, request: Union[beam.Row, list[beam.Row]], *args, **kwargs):
             responses.append((req, beam.Row()))
       return responses
     else:
-      request_dict = request._asdict()
       if self.query_fn:
         # if a query_fn is provided then it return a list of values
         # that should be populated into the query template string.