diff --git a/requirements-dev.txt b/requirements-dev.txt
index 831db5a..10f8df6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,3 +8,4 @@ pytest
 pytest-mock
 # lint/formatting
 ruff
+isort
diff --git a/src/gui/widgets.py b/src/gui/widgets.py
index 14b21ce..1895a0d 100644
--- a/src/gui/widgets.py
+++ b/src/gui/widgets.py
@@ -1,5 +1,5 @@
+from collections.abc import Callable, Iterable, Mapping, Sequence
 from typing import Optional
-from collections.abc import Sequence, Iterable, Callable, Mapping
 
 import wx
 from wx.lib.mixins.listctrl import TextEditMixin
diff --git a/src/gui/wx_app.py b/src/gui/wx_app.py
index 2473eef..c70001a 100644
--- a/src/gui/wx_app.py
+++ b/src/gui/wx_app.py
@@ -1,11 +1,11 @@
 import logging
 from typing import Literal, Optional
-import psutil
 
+import psutil
 import wx
 import wx.adv
-from common import single_call
 
+from common import single_call
 from gui.layout_manager import LayoutPage
 from gui.on_spawn_manager import OnSpawnPage
 from gui.settings import SettingsPanel
diff --git a/src/main.py b/src/main.py
index 5275f6b..742a5c3 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,9 +1,9 @@
 import logging
 import os
-import psutil
 import signal
 import time
 
+import psutil
 import win32con
 import win32gui
 
diff --git a/src/window.py b/src/window.py
index eab6b00..e58d0bd 100644
--- a/src/window.py
+++ b/src/window.py
@@ -1,4 +1,3 @@
-import pywintypes
 import ctypes
 import ctypes.wintypes
 import logging
@@ -6,6 +5,7 @@
 from typing import Iterator, Optional
 
 import pyvda
+import pywintypes
 import win32con
 import win32gui
 from comtypes import GUID
diff --git a/tools/format.bat b/tools/format.bat
index 8a237ab..675b908 100644
--- a/tools/format.bat
+++ b/tools/format.bat
@@ -1 +1,2 @@
+python -m isort src
 python -m ruff format src test