fix

app.py

@@ -32,9 +32,12 @@ MIN_DURATION = round(MIN_FRAMES_MODEL / FIXED_FPS, 1)
 MAX_DURATION = round(MAX_FRAMES_MODEL / FIXED_FPS, 1)
 
 pipe = LTXConditionPipeline.from_pretrained(MODEL_ID, torch_dtype=torch.bfloat16).to("cuda")
+dummy_image = Image.new("RGB", (LANDSCAPE_WIDTH, LANDSCAPE_HEIGHT))
+video = load_video(export_to_video([dummy_image]))
+dummy_cond = LTXVideoCondition(video=video, frame_index=0)
 optimize_pipeline_(
     pipe,
-    image=Image.new("RGB", (LANDSCAPE_WIDTH, LANDSCAPE_HEIGHT)),
+    conditions=[dummy_cond],
     prompt="prompt",
     height=LANDSCAPE_HEIGHT,
     width=LANDSCAPE_WIDTH,