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

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

packages/jupyter-ai/jupyter_ai/extension.py

@@ -263,7 +263,7 @@ def initialize_settings(self):
 
     async def _get_dask_client(self):
         return DaskClient(processes=False, asynchronous=True)
-    
+
     async def stop_extension(self):
         """
         Public method called by Jupyter Server when the server is stopping.
@@ -274,16 +274,18 @@ async def stop_extension(self):
         try:
             await self._stop_extension()
         except Exception as e:
-            self.log.error("Jupyter AI raised an exception while stopping, printed below. Please report this to the maintainers on GitHub.")
+            self.log.error(
+                "Jupyter AI raised an exception while stopping, printed below. Please report this to the maintainers on GitHub."
+            )
             self.log.exception(e)
 
     async def _stop_extension(self):
         """
         Private method that defines the cleanup code to run when the server is
         stopping.
         """
-        if 'dask_client_future' in self.settings:
-            dask_client: DaskClient = await self.settings['dask_client_future']
+        if "dask_client_future" in self.settings:
+            dask_client: DaskClient = await self.settings["dask_client_future"]
             self.log.info("Closing Dask client.")
             await dask_client.close()
             self.log.debug("Closed Dask client.")