turn on flash attention again

src/video_processor/processor.py

@@ -53,7 +53,7 @@ class VideoAnalyzer:
         self.model = AutoModelForImageTextToText.from_pretrained(
             self.model_path,
             torch_dtype=torch.bfloat16,
-            # _attn_implementation="flash_attention_2"
+            _attn_implementation="flash_attention_2"
         ).to(DEVICE)
         logger.info(f"Model loaded on device: {self.model.device}")