Update app.py

app.py

@@ -70,13 +70,14 @@ def chat_interaction(video_path, chatbot, user_message):
     return "", chatbot
 
 # Define Gradio interface
-video_input = gr.Video(label="Upload Video", autoplay=True)
+# Separate video inputs for each tab to avoid the DuplicateBlockError
+railway_video_input = gr.Video(label="Upload Video for Railway Analysis", autoplay=True)
+chat_video_input = gr.Video(label="Upload Video for Chat Analysis", autoplay=True)
 
 # Railway defect analysis tab
 with gr.Blocks() as railway_tab:
     with gr.Column():
         gr.Markdown("### Railway Defect Analysis")
-        railway_video_input = video_input.render()
         defect_analysis_output = gr.Textbox(label="Defect Analysis")
         analyze_button = gr.Button("Analyze for Railway Defects")
         analyze_button.click(fn=railway_defect_analysis, inputs=railway_video_input, outputs=defect_analysis_output)
@@ -85,7 +86,6 @@ with gr.Blocks() as railway_tab:
 with gr.Blocks() as chat_tab:
     with gr.Column():
         gr.Markdown("### Interactive Chat Mode")
-        chat_video_input = video_input.render()
         chatbot = gr.Chatbot(label="Video Analysis Chatbot")
         user_input = gr.Textbox(label="Ask something specific about the video", placeholder="E.g., Are there any cars in this video?")
         user_input.submit(fn=chat_interaction, inputs=[chat_video_input, chatbot, user_input], outputs=[user_input, chatbot])