Update app.py

app.py

@@ -267,7 +267,7 @@ def generate_video_from_text_90(
         progress((step + 1) / num_inference_steps)
 
     try:
-      #  with torch.no_grad():
+        with torch.no_grad():
             images = pipeline(
                 num_inference_steps=num_inference_steps,
                 num_images_per_prompt=1,