[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

packages/jupyter-ai/jupyter_ai/chat_handlers/learn.py

@@ -125,7 +125,7 @@ async def process_message(self, message: HumanChatMessage):
         self.save()
 
         if self.missing_dependency_error != None:
-            response = f"""Learn documents in **{load_path}** failed. Additional 
+            response = f"""Learn documents in **{load_path}** failed. Additional
                 packages needed: {self.missing_dependency_error}."""
         else:
             response = f"""🎉 I have learned documents at **{load_path}** and I am ready to answer questions about them.