diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6a06e9dae..62ae9dde9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -74,4 +74,6 @@ repos:
     hooks:
     -   id: isort
         name: isort
-        args: ["--diff"]  # -diff will not apply the changes, just show them
+        args:
+        - --diff
+        - --check
diff --git a/telegram/__init__.py b/telegram/__init__.py
index 238e94f5f..adb167589 100644
--- a/telegram/__init__.py
+++ b/telegram/__init__.py
@@ -175,6 +175,7 @@ __all__ = (  # Keep this alphabetically ordered
 )
 
 
+from . import _version
 from ._bot import Bot
 from ._botcommand import BotCommand
 from ._botcommandscope import (
@@ -311,7 +312,6 @@ from ._telegramobject import TelegramObject
 from ._update import Update
 from ._user import User
 from ._userprofilephotos import UserProfilePhotos
-from . import _version
 
 #: :obj:`str`: The version of the `python-telegram-bot` library as string.
 #: To get detailed information about the version number, please use :data:`__version_info__`
diff --git a/telegram/_utils/types.py b/telegram/_utils/types.py
index aa93c3cc7..ebf91ee8b 100644
--- a/telegram/_utils/types.py
+++ b/telegram/_utils/types.py
@@ -24,11 +24,16 @@ Warning:
     the changelog.
 """
 from pathlib import Path
-from typing import IO, TYPE_CHECKING, Any, Dict, Optional, Tuple, TypeVar, Union, Collection
+from typing import IO, TYPE_CHECKING, Any, Collection, Dict, Optional, Tuple, TypeVar, Union
 
 if TYPE_CHECKING:
-    from telegram import InputFile
-    from telegram import ForceReply, InlineKeyboardMarkup, ReplyKeyboardMarkup, ReplyKeyboardRemove
+    from telegram import (
+        ForceReply,
+        InlineKeyboardMarkup,
+        InputFile,
+        ReplyKeyboardMarkup,
+        ReplyKeyboardRemove,
+    )
     from telegram._utils.defaultvalue import DefaultValue
 
 FileLike = Union[IO[bytes], "InputFile"]
diff --git a/telegram/ext/_applicationbuilder.py b/telegram/ext/_applicationbuilder.py
index d389e8a46..aaccb4766 100644
--- a/telegram/ext/_applicationbuilder.py
+++ b/telegram/ext/_applicationbuilder.py
@@ -34,7 +34,7 @@ from telegram.request import BaseRequest
 from telegram.request._httpxrequest import HTTPXRequest
 
 if TYPE_CHECKING:
-    from telegram.ext import BasePersistence, Defaults, CallbackContext
+    from telegram.ext import BasePersistence, CallbackContext, Defaults
 
 # Type hinting is a bit complicated here because we try to get to a sane level of
 # leveraging generics and therefore need a number of type variables.
diff --git a/telegram/ext/_contexttypes.py b/telegram/ext/_contexttypes.py
index 147559278..30f306951 100644
--- a/telegram/ext/_contexttypes.py
+++ b/telegram/ext/_contexttypes.py
@@ -24,6 +24,7 @@ from telegram.ext._utils.types import BD, CCT, CD, UD
 
 if TYPE_CHECKING:
     from typing import Dict
+
     from telegram.ext._extbot import ExtBot
 
 
diff --git a/tests/test_application.py b/tests/test_application.py
index dfc9635d0..ce7f48c13 100644
--- a/tests/test_application.py
+++ b/tests/test_application.py
@@ -40,11 +40,11 @@ from telegram.ext import (
     Application,
     ApplicationBuilder,
     ApplicationHandlerStop,
+    BaseHandler,
     CallbackContext,
     CommandHandler,
     ContextTypes,
     Defaults,
-    BaseHandler,
     JobQueue,
     MessageHandler,
     PicklePersistence,
diff --git a/tests/test_basepersistence.py b/tests/test_basepersistence.py
index f21ef4851..9882066a3 100644
--- a/tests/test_basepersistence.py
+++ b/tests/test_basepersistence.py
@@ -34,10 +34,10 @@ from telegram.ext import (
     Application,
     ApplicationBuilder,
     ApplicationHandlerStop,
+    BaseHandler,
     BasePersistence,
     CallbackContext,
     ConversationHandler,
-    BaseHandler,
     MessageHandler,
     PersistenceInput,
     filters,
diff --git a/tests/test_version.py b/tests/test_version.py
index 766b3083f..6d145333d 100644
--- a/tests/test_version.py
+++ b/tests/test_version.py
@@ -19,10 +19,10 @@
 import pytest
 
 from telegram import (
-    __version_info__,
-    __version__,
-    __bot_api_version_info__,
     __bot_api_version__,
+    __bot_api_version_info__,
+    __version__,
+    __version_info__,
     constants,
 )
 from telegram._version import Version