diff --git a/aider/models.py b/aider/models.py
index 8b45df2a3..95f88270e 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -455,7 +455,10 @@ class Model(ModelSettings):
                 # First, attempt to fetch from GitHub
                 import requests
 
-                url = "https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json"
+                url = (
+                    "https://raw.githubusercontent.com/BerriAI/litellm/main/"
+                    "model_prices_and_context_window.json"
+                )
                 response = requests.get(url, timeout=5)
                 if response.status_code == 200:
                     content = response.json()