sdks/python: fix linting issues

Author: mohamedawnallah

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

@@ -27,16 +27,16 @@
 from typing import Union
 
 from google.protobuf.json_format import MessageToDict
+
+from apache_beam.ml.rag.types import Chunk
+from apache_beam.ml.rag.types import Embedding
+from apache_beam.transforms.enrichment import EnrichmentSourceHandler
 from pymilvus import AnnSearchRequest
 from pymilvus import Hit
 from pymilvus import Hits
 from pymilvus import MilvusClient
 from pymilvus import SearchResult
 
-from apache_beam.ml.rag.types import Chunk
-from apache_beam.ml.rag.types import Embedding
-from apache_beam.transforms.enrichment import EnrichmentSourceHandler
-
 
 class SearchStrategy(Enum):
   """Search strategies for information retrieval.