diff --git a/examples/find_albums.py b/examples/find_albums.py
index 7b92da4..41162e3 100755
--- a/examples/find_albums.py
+++ b/examples/find_albums.py
@@ -4,7 +4,7 @@ Find an album using the `spotify_actions` API and echo its contents.
 
 from argparse import ArgumentParser
 from asyncio import get_event_loop
-from logging import basicConfig, DEBUG
+from logging import DEBUG, basicConfig
 
 from spotify_actions.echo import echo_album
 from spotify_actions.search import search_album
diff --git a/spotify_actions/util.py b/spotify_actions/util.py
index 1ef8424..7ad8eb5 100644
--- a/spotify_actions/util.py
+++ b/spotify_actions/util.py
@@ -2,15 +2,15 @@
 Utility methods for working with the Spotify API
 """
 from asyncio import AbstractEventLoop
-from pathlib import Path
-from typing import Optional, Awaitable, Dict, Any
 from logging import getLogger
+from pathlib import Path
+from typing import Any, Awaitable, Dict, Optional
 
 import yaml
-from aiohttp import TraceConfig, ClientSession, TraceRequestEndParams, TraceResponseChunkReceivedParams
+from aiohttp import (ClientSession, TraceConfig, TraceRequestEndParams,
+                     TraceResponseChunkReceivedParams)
 from spotify import Client, HTTPClient
 
-
 LOGGER = getLogger(__name__)
 
 
@@ -49,12 +49,14 @@ class UnescapeClient(Client):
     _default_http_client = UnescapeHTTPClient
 
 
-def read_credentials(path: Path, loop: AbstractEventLoop, trace_config: Optional[TraceConfig] = None) -> Client:
+def read_credentials(
+    path: Path, loop: AbstractEventLoop, trace_config: Optional[TraceConfig] = None
+) -> Client:
     "Read credentials from a YAML file and construct a Spotify client"
 
     if trace_config:
-        class TracingHTTPClient(UnescapeHTTPClient):
 
+        class TracingHTTPClient(UnescapeHTTPClient):
             def __init__(self, *args, **kwargs):
                 super().__init__(*args, **kwargs)
 
@@ -73,4 +75,6 @@ def read_credentials(path: Path, loop: AbstractEventLoop, trace_config: Optional
 
     with open(path, "r") as credentials_file:
         credentials = yaml.safe_load(credentials_file)
-        return client_cls(credentials["client_id"], credentials["client_secret"], loop=loop)
+        return client_cls(
+            credentials["client_id"], credentials["client_secret"], loop=loop
+        )