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

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

Author: pre-commit-ci[bot]

jupyter_scheduler/tests/test_handlers.py

@@ -717,7 +717,9 @@ async def test_get_backends(jp_fetch):
     backends = json.loads(response.body)
     assert len(backends) >= 1
     jupyter_server_nb_backend = next((b for b in backends if b["id"] == "jupyter_server_nb"), None)
-    assert jupyter_server_nb_backend is not None, "Jupyter Server (Notebook) backend should always be present"
+    assert (
+        jupyter_server_nb_backend is not None
+    ), "Jupyter Server (Notebook) backend should always be present"
     assert jupyter_server_nb_backend["name"] == "Jupyter Server (Notebook)"
     assert jupyter_server_nb_backend["is_default"] is True