upload fixes

app.py

@@ -17,7 +17,7 @@ with gr.Blocks() as demo:
                 url_download_button.click(
                     get_video_from_url, input_url, input_video)
                 input_video.render()
-                input_video.change(get_duration, input_video, [
+                input_video.upload(get_duration, input_video, [
                     start_time, end_time])
             with gr.Column():
                 with gr.Row():

ui.py

@@ -3,6 +3,7 @@ import gradio as gr
 import file_name
 import ffmpeg
 import gdown
+import time
 
 # Display available langauges and set default UI language
 ui_lang_index = 1
@@ -87,6 +88,7 @@ def get_duration(input_file):
             end_time.update(None, interactive=False)
         ]
     print("Getting duration")
+    time.sleep(3)
     info_json = ffmpeg.probe(input_file)
     print("Probing finished")
     duration_seconds = float(info_json['format']['duration'])