Fix syntax error in app.py - clean up import statements and code structure

app.py

@@ -4,17 +4,7 @@ import gradio as gr
 from config import SCENE_CONFIGS, MODEL_CHOICES, MODE_CHOICES, EPISODE_CONFIGS
 from backend_api import submit_to_backend, get_task_status, get_task_result
 from logging_utils import log_access, log_submission, is_request_allowed
-from simulation import stream_simulation_results, convert_to_h264, if __name__ == "__main__":
-    # 在启动时显示版本信息
-    display_version_info()
-    
-    demo.launch(
-        server_name="0.0.0.0", 
-        server_port=7860,  # Hugging Face Space默认端口
-        share=False, 
-        debug=False,  # 生产环境建议关闭debug
-        allowed_paths=["./assets", "./logs", "./tmp"]  # 添加临时目录到允许路径
-    )inal_video_from_oss_images
+from simulation import stream_simulation_results, convert_to_h264, create_final_video_from_oss_images
 from ui_components import update_history_display, update_scene_display, update_episode_display, update_log_display, get_scene_instruction
 from oss_utils import download_oss_file, get_user_tmp_dir, cleanup_user_tmp_dir, oss_file_exists, clean_oss_result_path
 import os
@@ -363,10 +353,13 @@ with gr.Blocks(title="InternNav Model Inference Demo", css=custom_css) as demo:
     demo.unload(fn=cleanup_session)
 
 if __name__ == "__main__":
+    # 在启动时显示版本信息
+    display_version_info()
+    
     demo.launch(
         server_name="0.0.0.0", 
         server_port=7860,  # Hugging Face Space默认端口
-        share=True, 
+        share=False, 
         debug=False,  # 生产环境建议关闭debug
         allowed_paths=["./assets", "./logs", "./tmp"]  # 添加临时目录到允许路径
     )