sdks/python: fix formatting issues

Author: mohamedawnallah

sdks/python/apache_beam/ml/rag/enrichment/milvus_search.py

@@ -37,6 +37,7 @@
 from apache_beam.ml.rag.types import Embedding
 from apache_beam.transforms.enrichment import EnrichmentSourceHandler
 
+
 class SearchStrategy(Enum):
   """Search strategies for information retrieval.