diff --git a/pinecone/data/features/bulk_import.py b/pinecone/data/features/bulk_import.py
index 1b5d91c3..ab962998 100644
--- a/pinecone/data/features/bulk_import.py
+++ b/pinecone/data/features/bulk_import.py
@@ -1,8 +1,5 @@
-import warnings
-
 from enum import Enum
-from functools import wraps
-from typing import Optional, Union, Literal, Iterator, List
+from typing import Optional, Literal, Iterator, List
 
 from pinecone.utils.decorators import prerelease_feature
 from pinecone.config.config import ConfigBuilder
diff --git a/pinecone/utils/decorators.py b/pinecone/utils/decorators.py
index 290c6905..299f8d42 100644
--- a/pinecone/utils/decorators.py
+++ b/pinecone/utils/decorators.py
@@ -2,11 +2,14 @@
 from functools import wraps
 from typing import Optional, Callable
 
+
 class PineconePrereleaseWarning(UserWarning):
     pass
 
+
 warnings.simplefilter("once", PineconePrereleaseWarning)
 
+
 def prerelease_feature(
     message: str = "This is a pre-release feature and may change in the future.", api_version: Optional[str] = None
 ):