Little flicker after login in streamlit-authenticator component

[thisisbhupendrasingh]

Please help me to identify the issue behind this little flicker as I login?
I followed instructions from this Docs page to create login page.

import streamlit as st
import streamlit_authenticator as stauth
import yaml
from yaml.loader import SafeLoader

with open('config.yaml') as file:
    config = yaml.load(file, Loader=SafeLoader)

authenticator = stauth.Authenticate(
    config['credentials'],
    config['cookie']['name'],
    config['cookie']['key'],
    config['cookie']['expiry_days'],
    config['pre-authorized']
)

authenticator.login()
if st.session_state["authentication_status"]:
    authenticator.logout()
    st.write(f'Welcome *{st.session_state["name"]}*')
    st.title('Some content')
elif st.session_state["authentication_status"] is False:
    st.error('Username/password is incorrect')
elif st.session_state["authentication_status"] is None:
    st.warning('Please enter your username and password')

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