diff --git a/prometheus_aioexporter/script.py b/prometheus_aioexporter/script.py
index f843bf6..5b22d4d 100644
--- a/prometheus_aioexporter/script.py
+++ b/prometheus_aioexporter/script.py
@@ -1,14 +1,12 @@
 """Run a web server providing a Prometheus metrics endpoint."""
 
 import argparse
+from collections.abc import Iterable
 import logging
 import ssl
-import sys
-from collections.abc import Iterable
 from ssl import SSLContext
-from typing import (
-    IO,
-)
+import sys
+from typing import IO
 
 from aiohttp.web import Application
 from prometheus_client import (
diff --git a/prometheus_aioexporter/web.py b/prometheus_aioexporter/web.py
index 08f4b22..b67beac 100644
--- a/prometheus_aioexporter/web.py
+++ b/prometheus_aioexporter/web.py
@@ -7,7 +7,6 @@
 )
 from ssl import SSLContext
 from textwrap import dedent
-from typing import Optional
 
 from aiohttp.web import (
     Application,
diff --git a/tests/script_test.py b/tests/script_test.py
index ae03e48..32bbe2f 100644
--- a/tests/script_test.py
+++ b/tests/script_test.py
@@ -1,5 +1,5 @@
-import logging
 from io import StringIO
+import logging
 from ssl import SSLContext
 from unittest import mock