fix formatting

Author: MHHukiewitz

src/aleph/sdk/client.py

@@ -49,6 +49,7 @@
 
 from aleph.sdk.types import Account, GenericMessage, StorageEnum
 from aleph.sdk.utils import Writable, copy_async_readable_to_buffer
+
 from .base import AlephClientBase, AuthenticatedAlephClientBase
 from .conf import settings
 from .exceptions import (