diff --git a/examples/embedding/inprocess_qtconsole.py b/examples/embedding/inprocess_qtconsole.py
index 7a976a319..f256ecfed 100644
--- a/examples/embedding/inprocess_qtconsole.py
+++ b/examples/embedding/inprocess_qtconsole.py
@@ -1,4 +1,5 @@
 """An in-process qt console app."""
+
 import os
 
 import tornado
diff --git a/examples/embedding/inprocess_terminal.py b/examples/embedding/inprocess_terminal.py
index c951859e8..432991a7b 100644
--- a/examples/embedding/inprocess_terminal.py
+++ b/examples/embedding/inprocess_terminal.py
@@ -1,4 +1,5 @@
 """An in-process terminal example."""
+
 import os
 
 from anyio import run
diff --git a/examples/embedding/ipkernel_wxapp.py b/examples/embedding/ipkernel_wxapp.py
index f24ed9392..b36fcc312 100755
--- a/examples/embedding/ipkernel_wxapp.py
+++ b/examples/embedding/ipkernel_wxapp.py
@@ -16,6 +16,7 @@
 
 Ref: Modified from wxPython source code wxPython/samples/simple/simple.py
 """
+
 # -----------------------------------------------------------------------------
 # Imports
 # -----------------------------------------------------------------------------
diff --git a/hatch_build.py b/hatch_build.py
index 934348050..4dfdd1a22 100644
--- a/hatch_build.py
+++ b/hatch_build.py
@@ -1,4 +1,5 @@
 """A custom hatch build hook for ipykernel."""
+
 import shutil
 import sys
 from pathlib import Path
diff --git a/ipykernel/__main__.py b/ipykernel/__main__.py
index a1050e32e..59c864405 100644
--- a/ipykernel/__main__.py
+++ b/ipykernel/__main__.py
@@ -1,4 +1,5 @@
 """The cli entry point for ipykernel."""
+
 if __name__ == "__main__":
     from ipykernel import kernelapp as app
 
diff --git a/ipykernel/compiler.py b/ipykernel/compiler.py
index e42007ed6..6652e08ae 100644
--- a/ipykernel/compiler.py
+++ b/ipykernel/compiler.py
@@ -1,4 +1,5 @@
 """Compiler helpers for the debugger."""
+
 import os
 import sys
 import tempfile
diff --git a/ipykernel/connect.py b/ipykernel/connect.py
index 117484599..1e1f16cdc 100644
--- a/ipykernel/connect.py
+++ b/ipykernel/connect.py
@@ -1,5 +1,5 @@
-"""Connection file-related utilities for the kernel
-"""
+"""Connection file-related utilities for the kernel"""
+
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 from __future__ import annotations
diff --git a/ipykernel/datapub.py b/ipykernel/datapub.py
index cc19696db..b0ab2c7b2 100644
--- a/ipykernel/datapub.py
+++ b/ipykernel/datapub.py
@@ -1,8 +1,7 @@
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-"""Publishing native (typically pickled) objects.
-"""
+"""Publishing native (typically pickled) objects."""
 
 import warnings
 
diff --git a/ipykernel/debugger.py b/ipykernel/debugger.py
index 780d18015..57804d2db 100644
--- a/ipykernel/debugger.py
+++ b/ipykernel/debugger.py
@@ -1,4 +1,5 @@
 """Debugger implementation for the IPython kernel."""
+
 import os
 import re
 import sys
diff --git a/ipykernel/embed.py b/ipykernel/embed.py
index ad22e2a1e..8ef9c1848 100644
--- a/ipykernel/embed.py
+++ b/ipykernel/embed.py
@@ -1,5 +1,4 @@
-"""Simple function for embedding an IPython kernel
-"""
+"""Simple function for embedding an IPython kernel"""
 # -----------------------------------------------------------------------------
 # Imports
 # -----------------------------------------------------------------------------
diff --git a/ipykernel/gui/gtk3embed.py b/ipykernel/gui/gtk3embed.py
index 3317ecfe4..ab4ec2226 100644
--- a/ipykernel/gui/gtk3embed.py
+++ b/ipykernel/gui/gtk3embed.py
@@ -1,5 +1,4 @@
-"""GUI support for the IPython ZeroMQ kernel - GTK toolkit support.
-"""
+"""GUI support for the IPython ZeroMQ kernel - GTK toolkit support."""
 # -----------------------------------------------------------------------------
 #  Copyright (C) 2010-2011  The IPython Development Team
 #
diff --git a/ipykernel/gui/gtkembed.py b/ipykernel/gui/gtkembed.py
index e87249ead..6f3b6d166 100644
--- a/ipykernel/gui/gtkembed.py
+++ b/ipykernel/gui/gtkembed.py
@@ -1,5 +1,4 @@
-"""GUI support for the IPython ZeroMQ kernel - GTK toolkit support.
-"""
+"""GUI support for the IPython ZeroMQ kernel - GTK toolkit support."""
 # -----------------------------------------------------------------------------
 #  Copyright (C) 2010-2011  The IPython Development Team
 #
diff --git a/ipykernel/heartbeat.py b/ipykernel/heartbeat.py
index 9816959dd..7706312e1 100644
--- a/ipykernel/heartbeat.py
+++ b/ipykernel/heartbeat.py
@@ -1,5 +1,4 @@
-"""The client and server for a basic ping-pong style heartbeat.
-"""
+"""The client and server for a basic ping-pong style heartbeat."""
 
 # -----------------------------------------------------------------------------
 #  Copyright (C) 2008-2011  The IPython Development Team
diff --git a/ipykernel/inprocess/blocking.py b/ipykernel/inprocess/blocking.py
index b5c421a79..4069d37c2 100644
--- a/ipykernel/inprocess/blocking.py
+++ b/ipykernel/inprocess/blocking.py
@@ -1,7 +1,8 @@
-""" Implements a fully blocking kernel client.
+"""Implements a fully blocking kernel client.
 
 Useful for test suites and blocking terminal interfaces.
 """
+
 import sys
 
 # -----------------------------------------------------------------------------
diff --git a/ipykernel/inprocess/client.py b/ipykernel/inprocess/client.py
index 8ca97470f..46fcd42e0 100644
--- a/ipykernel/inprocess/client.py
+++ b/ipykernel/inprocess/client.py
@@ -11,7 +11,6 @@
 # Imports
 # -----------------------------------------------------------------------------
 
-
 from jupyter_client.client import KernelClient
 from jupyter_client.clientabc import KernelClientABC
 
diff --git a/ipykernel/inprocess/constants.py b/ipykernel/inprocess/constants.py
index 6133c757d..16d572083 100644
--- a/ipykernel/inprocess/constants.py
+++ b/ipykernel/inprocess/constants.py
@@ -1,5 +1,4 @@
-"""Shared constants.
-"""
+"""Shared constants."""
 
 # Because inprocess communication is not networked, we can use a common Session
 # key everywhere. This is not just the empty bytestring to avoid tripping
diff --git a/ipykernel/inprocess/socket.py b/ipykernel/inprocess/socket.py
index 5a2e0008b..05b45687c 100644
--- a/ipykernel/inprocess/socket.py
+++ b/ipykernel/inprocess/socket.py
@@ -1,4 +1,4 @@
-""" Defines a dummy socket implementing (part of) the zmq.Socket interface. """
+"""Defines a dummy socket implementing (part of) the zmq.Socket interface."""
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
diff --git a/ipykernel/log.py b/ipykernel/log.py
index bbd4c445b..91a4e114e 100644
--- a/ipykernel/log.py
+++ b/ipykernel/log.py
@@ -1,4 +1,5 @@
 """A PUB log handler."""
+
 import warnings
 
 from zmq.log.handlers import PUBHandler
diff --git a/ipykernel/shellchannel.py b/ipykernel/shellchannel.py
index bc0459c46..10abdb359 100644
--- a/ipykernel/shellchannel.py
+++ b/ipykernel/shellchannel.py
@@ -1,4 +1,5 @@
 """A thread for a shell channel."""
+
 import zmq.asyncio
 
 from .subshell_manager import SubshellManager
diff --git a/ipykernel/trio_runner.py b/ipykernel/trio_runner.py
index a641feba8..6fb44107b 100644
--- a/ipykernel/trio_runner.py
+++ b/ipykernel/trio_runner.py
@@ -1,4 +1,5 @@
 """A trio loop runner."""
+
 import builtins
 import logging
 import signal
diff --git a/tests/test_zmq_shell.py b/tests/test_zmq_shell.py
index dfd22dec0..8a8fe042b 100644
--- a/tests/test_zmq_shell.py
+++ b/tests/test_zmq_shell.py
@@ -1,4 +1,4 @@
-""" Tests for zmq shell / display publisher. """
+"""Tests for zmq shell / display publisher."""
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.