diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/__init__.py b/deltachat-rpc-client/src/deltachat_rpc_client/__init__.py
index 6589813ae0..2fef315ef2 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/__init__.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/__init__.py
@@ -1,4 +1,5 @@
 """Delta Chat JSON-RPC high-level API"""
+
 from ._utils import AttrDict, run_bot_cli, run_client_cli
 from .account import Account
 from .chat import Chat
diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/client.py b/deltachat-rpc-client/src/deltachat_rpc_client/client.py
index 04f792dd18..85cc18dee1 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/client.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/client.py
@@ -1,4 +1,5 @@
 """Event loop implementations offering high level event handling/hooking."""
+
 import logging
 from typing import (
     TYPE_CHECKING,
diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/events.py b/deltachat-rpc-client/src/deltachat_rpc_client/events.py
index b90b6e0452..8d20f74545 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/events.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/events.py
@@ -1,4 +1,5 @@
 """High-level classes for event processing and filtering."""
+
 import re
 from abc import ABC, abstractmethod
 from typing import TYPE_CHECKING, Callable, Iterable, Iterator, Optional, Set, Tuple, Union
diff --git a/python/src/deltachat/account.py b/python/src/deltachat/account.py
index 2bc0c2969a..8b4e804aea 100644
--- a/python/src/deltachat/account.py
+++ b/python/src/deltachat/account.py
@@ -1,6 +1,5 @@
 """Account class implementation."""
 
-
 import os
 from array import array
 from contextlib import contextmanager