diff --git a/google/cloud/bigtable/data/_async/_mutate_rows.py b/google/cloud/bigtable/data/_async/_mutate_rows.py
index e571aaa0b..e3d79eac8 100644
--- a/google/cloud/bigtable/data/_async/_mutate_rows.py
+++ b/google/cloud/bigtable/data/_async/_mutate_rows.py
@@ -43,10 +43,10 @@
         from google.cloud.bigtable_v2.services.bigtable.client import (  # type: ignore
             BigtableClient as GapicClientType,
         )
-       from google.cloud.bigtable_v2.services.bigtable.client import (  # type: ignore
+        from google.cloud.bigtable_v2.services.bigtable.client import (  # type: ignore
             _ApiSurface as ApiSurfaceType
-       )
-       from google.cloud.bigtable.data._sync_autogen.client import Table as TableType  # type: ignore
+        )
+        from google.cloud.bigtable.data._sync_autogen.client import Table as TableType  # type: ignore
 
 __CROSS_SYNC_OUTPUT__ = "google.cloud.bigtable.data._sync_autogen._mutate_rows"