Update app.py

app.py

@@ -344,6 +344,7 @@ def generate_meeting_minutes(n_clicks, transcript):
      State('url-input', 'value')]
 )
 def update_output(contents, n_clicks, filename, url):
+    global transcription_text
     ctx = callback_context
     if not ctx.triggered:
         return "No file uploaded or URL processed.", "", "", True, True, True