diff --git a/sdks/python/apache_beam/io/gcp/bigtableio.py b/sdks/python/apache_beam/io/gcp/bigtableio.py
index 5169ef0a5c93..3f045ee26f86 100644
--- a/sdks/python/apache_beam/io/gcp/bigtableio.py
+++ b/sdks/python/apache_beam/io/gcp/bigtableio.py
@@ -55,7 +55,6 @@
   FLUSH_COUNT = 1000
   MAX_ROW_BYTES = 5242880  # 5MB
 
-
 except ImportError:
   _LOGGER.warning(
       'ImportError: from google.cloud.bigtable import Client', exc_info=True)
@@ -134,7 +133,7 @@ def start_bundle(self):
         self.beam_options['instance_id'],
         self.beam_options['table_id'])
     self.batcher = MutationsBatcher(
-      self.table, batch_completed_callback=self.write_mutate_metrics)
+        self.table, batch_completed_callback=self.write_mutate_metrics)
 
   def process(self, row):
     self.written.inc()