Update app.py

app.py

@@ -10,6 +10,7 @@ def generate_video(prompt, negative_prompt=""):
     
     # Load the VAE and pipeline with proper data types per model requirements
     vae = AutoencoderKLWan.from_pretrained(model_id, subfolder="vae", torch_dtype=torch.float32)
+    # With accelerate installed, low_cpu_mem_usage can now be enabled automatically.
     pipe = WanPipeline.from_pretrained(model_id, vae=vae, torch_dtype=torch.bfloat16)
     pipe.to("cuda")