Update app.py

app.py

@@ -45,6 +45,9 @@ def create_interface():
                     charts_and_explanations.append(gr.Textbox(visible=False))
 
         def process_and_update(input_file):
+            if input_file is None:
+                return [gr.update(value="No file selected")] + [gr.update(visible=False)] * (len(charts_and_explanations) + 2)
+            
             # Process the input
             results = process_input(input_file, progress=gr.Progress())
             
@@ -52,7 +55,7 @@ def create_interface():
             return update_visibility_and_charts(*results)
 
         def use_example_video():
-            return gr.File.update(value=example_video_path)
+            return example_video_path
 
         input_file.upload(
             fn=process_and_update,
@@ -63,7 +66,7 @@ def create_interface():
         example_button.click(
             fn=use_example_video,
             inputs=[],
-            outputs=[input_file]
+            outputs=input_file
         ).then(
             fn=process_and_update,
             inputs=[input_file],
@@ -76,4 +79,4 @@ iface = create_interface()
 
 # Launch the app
 if __name__ == "__main__":
-    iface.launch()
+    iface.launch(share=True)