fixed experimental rerun error

app.py

@@ -321,7 +321,7 @@ def main():
             st.markdown("""<br>""", unsafe_allow_html=True)
             if st.button("Get Started", key="get_started"):
                 st.session_state.page = 'chat'
-                st.experimental_rerun()
+                st.rerun()
         
         with col2:
             # Animated medical icon
@@ -418,7 +418,7 @@ def main():
                         st.session_state.chat_history.append((user_input, response))
                         
                         # Rerun to update UI
-                        st.experimental_rerun()
+                        st.rerun()
                     except Exception as e:
                         st.error(f"Error processing query: {str(e)}")