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

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

test/manual/lang_frontend/test_choices.py

@@ -53,7 +53,6 @@ MOCK_CHOICES_INPUT_DATA = {
 
 
 class TestChoices(CustomTestCase):
-
     def test_token_length_normalized(self):
         """Confirm 'antidisestablishmentarianism' is selected due to high confidences for
         its later tokens resulting in highest token length normalized prompt logprob."""

test/manual/lang_frontend/test_jump_forward.py

@@ -47,6 +47,7 @@ json_jump_forward = (
     + r"""\}\n"""
 )
 
+
 # fmt: off
 @sgl.function
 def json_gen(s):