Update app.py

app.py

@@ -13,8 +13,8 @@ global_lock = get_global_lock()
 
 # Add a button to start the task
 if st.button('Start long running task'):
-    with st.spinner("Running long running task"):
-        with global_lock:
+    with global_lock:
+        with st.spinner("Running long running task"):
             st.write("Task started")
             long_running_task()
-            st.write("Task completed")
+            st.write("Task completed")