Update app.py

app.py

@@ -1,5 +1,6 @@
 import gradio as gr 
 from transformers import pipeline
+import time
 
 sentiment_classifier = pipeline("text-classification", return_all_scores=True)
 
@@ -7,6 +8,10 @@ def classifier(text):
     pred = sentiment_classifier(text)
     return {p["label"]: p["score"] for p in pred[0]}
 
+def sleep_for_test():
+    time.sleep(10)
+    return 2
+
 with gr.Blocks(theme="gstaff/xkcd") as demo:
     with gr.Row():
         with gr.Column():
@@ -15,6 +20,8 @@ with gr.Blocks(theme="gstaff/xkcd") as demo:
                 classify = gr.Button("Classify Sentiment")
         with gr.Column():
             label = gr.Label(label="Predicted Sentiment")
-
+        number = gr.Number()
+        btn = gr.Button("Sleep then print")
+    btn.click(sleep_for_test, None, number)    
     classify.click(classifier, input_text, label)
 demo.launch(enable_queue=False)