Update app.py

app.py

@@ -72,11 +72,12 @@ def edit_message(position):
     if st.button("Save"):
         st.session_state.messages[position-1]["content"] = returnText
         st.rerun()
-    if st.session_state.messages[position-1]["role"] == "user"
+    if st.session_state.messages[position-1]["role"] == "user":
         if st.button("Save & Retry"):
             st.session_state.messages[position-1]["content"] = returnText
             del session_state.messages[position-1:]
             st.session_state.instant_request = True
+            st.rerun()
 
 def remove_message(position):
     st.toast("try to remove message no: " + str(position-1) + " and "+ str(position))