Update app.py

app.py

@@ -38,7 +38,9 @@ def find_scenes(video_path, threshold):
     
     timecodes = []
     if not scene_list:
-        raise ValueError("There are no scenes detected in this video.")
+        gr.Warning("No scenes detected in this video")
+        return None, None, None
+
     timecodes.append({"title": filename + ".mp4", "fps": scene_list[0][0].get_framerate()})
     
     shots = []
@@ -148,7 +150,8 @@ with gr.Blocks() as demo:
         gr.Markdown("""
             # Scene Edit Detection
             Copy of @fffiloni's gradio demo of PySceneDetect.
-            Automatically find all the shots in a video sequence.
+            Automatically find all the shots in a video.
+            Accepts mp4 format. Works only with videos that have cuts in them.
             """)
         with gr.Row():
             with gr.Column():
@@ -167,4 +170,4 @@ with gr.Blocks() as demo:
         run_button.click(fn=find_scenes, inputs=[video_input, threshold], outputs=[json_output, file_output, gallery_output])
         clear_button.click(fn=clear_app, inputs = None, outputs=[video_input, threshold, json_output, file_output, gallery_output])
 
-demo.launch(debug=True)
+demo.queue().launch(debug=True)