diff --git a/aider/models.py b/aider/models.py
index de6e89ecd..4aa92e2be 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -552,6 +552,7 @@ class Model(ModelSettings):
         # dump(kwargs)
         hash_object = hashlib.sha1(key)
         from aider.sendchat import litellm
+
         res = litellm.completion(**kwargs)
         return hash_object, res
 
diff --git a/aider/sendchat.py b/aider/sendchat.py
index 1710a4e92..f11f4186e 100644
--- a/aider/sendchat.py
+++ b/aider/sendchat.py
@@ -1,7 +1,6 @@
 from aider.dump import dump  # noqa: F401
 from aider.utils import format_messages
 
-
 RETRY_TIMEOUT = 60