Fix style

Author: donghan

awswrangler/s3/_copy.py

@@ -13,8 +13,12 @@
 _logger: logging.Logger = logging.getLogger(__name__)
 
 
-def _copy_objects(batch: List[Tuple[str, str]], use_threads: bool,
-                  boto3_session: boto3.Session, s3_additional_kwargs: Optional[Dict[str, str]]) -> None:
+def _copy_objects(
+    batch: List[Tuple[str, str]],
+    use_threads: bool,
+    boto3_session: boto3.Session,
+    s3_additional_kwargs: Optional[Dict[str, str]],
+) -> None:
     _logger.debug("len(batch): %s", len(batch))
     client_s3: boto3.client = _utils.client(service_name="s3", session=boto3_session)
     resource_s3: boto3.resource = _utils.resource(service_name="s3", session=boto3_session)
@@ -115,8 +119,12 @@ def merge_datasets(
         raise exceptions.InvalidArgumentValue(f"{mode} is a invalid mode option.")
 
     new_objects: List[str] = copy_objects(
-        paths=paths, source_path=source_path, target_path=target_path,
-        use_threads=use_threads, boto3_session=session, s3_additional_kwargs=s3_additional_kwargs
+        paths=paths,
+        source_path=source_path,
+        target_path=target_path,
+        use_threads=use_threads,
+        boto3_session=session,
+        s3_additional_kwargs=s3_additional_kwargs,
     )
     _logger.debug("len(new_objects): %s", len(new_objects))
     return new_objects
@@ -202,7 +210,6 @@ def copy_objects(
         batch.append((path, path_final))
     _logger.debug("len(new_objects): %s", len(new_objects))
     _copy_objects(
-        batch=batch, use_threads=use_threads,
-        boto3_session=session, s3_additional_kwargs=s3_additional_kwargs
+        batch=batch, use_threads=use_threads, boto3_session=session, s3_additional_kwargs=s3_additional_kwargs
     )
     return new_objects