Update app.py

app.py

@@ -95,6 +95,9 @@ def get_images(ws, workflow, token):
                 data = message['data']
                 if data['node'] is None and data['prompt_id'] == prompt_id:
                     break  # Execution is done
+                    
+        # Sleep for 3 seconds before the next iteration
+        time.sleep(3)
 
     history = get_history(prompt_id, token)[prompt_id]
     for node_id in history['outputs']: