make mode the last arg

app.py

@@ -10,7 +10,6 @@ from functools import partial
 @spaces.GPU
 def create(
         prompt,
-        mode="text-to-video",
         negative_prompt="",
         input_image_filepath=None,
         input_video_filepath=None,
@@ -22,8 +21,9 @@ def create(
         randomize_seed=True,
         ui_guidance_scale=3.0,
         improve_texture_flag=True,
+        fps=8, 
         progress=gr.Progress(track_tqdm=True),
-        fps=8,   
+        mode="text-to-video"
     ):
     """
     Generate videos using the LTX Video model.