Update detection_api.py

detection_api.py

@@ -85,9 +85,6 @@ executor = ThreadPoolExecutor(max_workers=config.MAX_WORKERS)
 class VideoOptimizer:
     """Optimized video processing for CPU environments"""
     def StandaloneApplication(app, options=None):
-    """Hàm tạo Gunicorn Application từ FastAPI app"""
-    from gunicorn.app.base import BaseApplication
-
     class _App(BaseApplication):
         def __init__(self, app, options=None):
             self.options = options or {}