diff --git a/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py b/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
index d82512b01..07fad3304 100644
--- a/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
+++ b/packages/jupyter-ai/jupyter_ai/chat_handlers/base.py
@@ -179,7 +179,7 @@ async def on_message(self, message: Message):
 
         # first, ensure a chat model is configured
         if not ChatModelProvider:
-            # TODO: update this message to be more useful once we improve 
+            # TODO: update this message to be more useful once we improve
             # ease-of-access to the Jupyter AI settings.
             self.reply(
                 "To use Jupyter AI, please select a chat model first in the Jupyter AI settings."