diff --git a/smsbot/cli.py b/smsbot/cli.py
index f1a651e..dc145a5 100644
--- a/smsbot/cli.py
+++ b/smsbot/cli.py
@@ -1,10 +1,10 @@
 import argparse
 import asyncio
 import logging
-from configparser import ConfigParser
 import os
-from signal import SIGINT, SIGTERM
 import sys
+from configparser import ConfigParser
+from signal import SIGINT, SIGTERM
 
 import uvicorn
 from asgiref.wsgi import WsgiToAsgi
diff --git a/smsbot/telegram.py b/smsbot/telegram.py
index b002ac1..11bb11b 100644
--- a/smsbot/telegram.py
+++ b/smsbot/telegram.py
@@ -1,16 +1,17 @@
 import logging
 
-from smsbot.utils import get_smsbot_version
 from prometheus_client import Counter, Summary
 from telegram import Update
 from telegram.ext import (
     Application,
     ApplicationHandlerStop,
+    CommandHandler,
     ContextTypes,
     TypeHandler,
-    CommandHandler,
 )
 
+from smsbot.utils import get_smsbot_version
+
 REQUEST_TIME = Summary(
     "telegram_request_processing_seconds", "Time spent processing request"
 )
diff --git a/smsbot/webhook.py b/smsbot/webhook.py
index 0b81ca2..1f79275 100644
--- a/smsbot/webhook.py
+++ b/smsbot/webhook.py
@@ -1,4 +1,3 @@
-import os
 from functools import wraps
 
 from flask import Flask, abort, current_app, request