diff --git a/python/src/trezorlib/cli/trezorctl.py b/python/src/trezorlib/cli/trezorctl.py
index 1269092941..5e6327e023 100755
--- a/python/src/trezorlib/cli/trezorctl.py
+++ b/python/src/trezorlib/cli/trezorctl.py
@@ -53,8 +53,8 @@ from . import (
     stellar,
     tezos,
     with_client,
-    with_session,
     with_default_session,
+    with_session,
 )
 
 F = TypeVar("F", bound=Callable)
diff --git a/python/src/trezorlib/client.py b/python/src/trezorlib/client.py
index 266ca9f8a8..8d81b6715e 100644
--- a/python/src/trezorlib/client.py
+++ b/python/src/trezorlib/client.py
@@ -52,6 +52,7 @@ UNKNOWN = -1
 PROTOCOL_V1 = 1
 PROTOCOL_V2 = 2
 
+
 class TrezorClient:
     button_callback: t.Callable[[Session, t.Any], t.Any] | None = None
     passphrase_callback: t.Callable[[Session, t.Any], t.Any] | None = None
@@ -60,6 +61,7 @@ class TrezorClient:
     _management_session: Session | None = None
     _features: messages.Features | None = None
     _protocol_version: int
+
     def __init__(
         self,
         transport: Transport,