Linter.

Author: Claude

sdks/python/apache_beam/ml/rag/ingestion/spanner.py

@@ -269,8 +269,6 @@ def extract_fn(chunk: Chunk) -> str:
         raise ValueError(f'Chunk must contain content: {chunk}')
       return chunk.content.text
 
-    extract_fn = extract_fn or default_fn
-
     self._specs.append(
         SpannerColumnSpec(
             column_name=column_name,