[CI][RFC] Replace black-jupyter with ruff-format (#37210)

Co-authored-by: Alison Shao <a.shao@wustl.edu>

test/registered/layers/mamba/test_mamba2_mixer.py

@@ -42,9 +42,9 @@ def test_mixer2_gated_norm_multi_gpu(
     if device not in ["cuda", "xpu"]:
         pytest.skip("Test only supports CUDA and XPU devices")
 
-    assert (
-        get_device_count() >= NUM_GPUS
-    ), f"This test requires at least {NUM_GPUS} GPUs, but only {get_device_count()} available"
+    assert get_device_count() >= NUM_GPUS, (
+        f"This test requires at least {NUM_GPUS} GPUs, but only {get_device_count()} available"
+    )
 
     hidden_size, n_groups = hidden_size_n_groups
     num_processes = NUM_GPUS