Update app.py

app.py

@@ -1,5 +1,5 @@
 import gradio as gr
-from lumaai import LumaAI
+from lumaai.client import LumaAI  # Adjusted import path
 import requests
 import os
 import time
@@ -136,8 +136,9 @@ with gr.Blocks() as demo:
                 camera_motion = gr.Dropdown(
                     ["pan", "tilt", "zoom", "orbit"], 
                     label="Camera Motion", 
-                    default=None, 
-                    optional=True
+                    choices=["pan", "tilt", "zoom", "orbit"],  # Ensure choices are correctly passed
+                    value=None,
+                    allow_none=True
                 )
                 advanced_generate_btn = gr.Button("Generate with Advanced Options")