Update app.py

app.py

@@ -16,7 +16,7 @@ with gr.Blocks() as demo:
         with gr.Column():
             label = gr.Text(label="ground truth")
             pred = gr.Text(label="prediction")            
-    btn = gr.Button("Predict", variant="primary"))
+    btn = gr.Button("Predict", variant="primary")
     btn.click(predict, inputs=[label, video], outputs=[pred])
     gr.Examples(examples=examples, inputs=[label, video], cache_examples=True)