diff --git a/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py b/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
index bebf72477..072b0bc23 100644
--- a/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
+++ b/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
@@ -147,9 +147,9 @@ def reply(
         agent_msg = AgentChatMessage(
             id=uuid4().hex,
             time=time.time(),
-            body=response, # append info about error to the string
+            body=response,  # append info about error to the string
             reply_to=human_msg.id if human_msg else "",
-            #error_type=APIAuthenticationError
+            # error_type=APIAuthenticationError
         )
 
         for handler in self._root_chat_handlers.values():