diff --git a/s3transfer/crt.py b/s3transfer/crt.py
index b5e07b2e..7927304e 100644
--- a/s3transfer/crt.py
+++ b/s3transfer/crt.py
@@ -826,7 +826,9 @@ def _default_get_make_request_args(
         # So transform string like "delete_object" -> "DeleteObject".
         operation_name = None
         if crt_request_type == S3RequestType.DEFAULT:
-            operation_name = ''.join(x.title() for x in request_type.split('_'))
+            operation_name = ''.join(
+                x.title() for x in request_type.split('_')
+            )
 
         make_request_args = {
             'request': self._request_serializer.serialize_http_request(
diff --git a/tests/integration/test_crt.py b/tests/integration/test_crt.py
index ec59dd91..24fb06bc 100644
--- a/tests/integration/test_crt.py
+++ b/tests/integration/test_crt.py
@@ -412,7 +412,9 @@ def test_delete_exception_no_such_bucket(self):
         # Test that CRT exceptions translate properly into the botocore exceptions.
         transfer = self._create_s3_transfer()
         with self.assertRaises(ClientError) as ctx:
-            future = transfer.delete(f"{self.bucket_name}-NONEXISTENT-{uuid4()}", "foo.txt")
+            future = transfer.delete(
+                f"{self.bucket_name}-NONEXISTENT-{uuid4()}", "foo.txt"
+            )
             future.result()
         self.assertEqual(ctx.exception.__class__.__name__, 'NoSuchBucket')