fixed lint

Author: daniel-sanche

google/cloud/bigtable/data/_async/_swappable_channel.py

@@ -102,6 +102,7 @@ class AsyncSwappableChannel(_AsyncWrappedChannel):
       - channel_fn: a nullary function that returns a new channel instance.
             It should be a partial with all channel configuration arguments built-in
     """
+
     def __init__(self, channel_fn: Callable[[], Channel]):
         self._channel_fn = channel_fn
         self._channel = channel_fn()

tests/system/data/test_system_autogen.py

@@ -26,10 +26,10 @@
 from google.cloud.environment_vars import BIGTABLE_EMULATOR
 from google.type import date_pb2
 from google.cloud.bigtable.data._cross_sync import CrossSync
+from . import TEST_FAMILY, TEST_FAMILY_2, TEST_AGGREGATE_FAMILY
 from google.cloud.bigtable_v2.services.bigtable.transports.grpc import (
     _LoggingClientInterceptor as GapicInterceptor,
 )
-from . import TEST_FAMILY, TEST_FAMILY_2, TEST_AGGREGATE_FAMILY
 
 TARGETS = ["table"]
 if not os.environ.get(BIGTABLE_EMULATOR):