add dependencies

app.py

@@ -88,7 +88,7 @@ def process_video(video_path, question):
 def gradio_interface(video_file, question):
     if video_file is None:
         return "Please upload a video file."
-    response = process_video(video_file.name, question)
+    response = process_video(video_file, question)
     return response
 
 # Create Gradio app