fix: Format test_misc.py with ruff

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: madiator

tests/unittests/test_misc.py

@@ -14,7 +14,6 @@ class MyModel(BaseModel):
 
 
 def test_safe_model_dump_fallback():
-
     class FakeModel:
         def __init__(self):
             self.name = "test"