Update app.py

app.py

@@ -1,12 +1,13 @@
 import streamlit as st
 import datetime
+import time
 
 def save_message(name, message):
     now = datetime.datetime.now()
     timestamp = now.strftime("%Y-%m-%d %H:%M:%S")
     with open("chat.txt", "a") as f:
         f.write(f"{timestamp} - {name}: {message}\n")
-        
+
 def main():
     st.title("Streamlit Chat")
 
@@ -35,4 +36,5 @@ def main():
             st.text(chat_history)
             t = 60
 
-main()
+if __name__ == "__main__":
+    main()