User input in ST form not getting stored in variable. Form becoming blank after click of submit button on user input

🎈 Using Streamlit
,
1 
response_container = st.container()
container = st.container()
with container:
    unique_keys = [str(uuid.uuid4())[:8] for _ in range(4)]
    user_input_key = f'input_{unique_keys[0]}'
    my_form_key = f'my_form_{unique_keys[1]}'
    with st.form(key=my_form_key, clear_on_submit=True):
        user_input = st.text_input("Query:", placeholder="Talk to your data here (:", key=user_input_key)
        st.write(user_input)
        submit_button = st.form_submit_button(label='Send')
        if submit_button and user_input:
            output = conversational_chat(user_input)
            st.write("History:", st.session_state.get('history'))
            st.write("Generated:", st.session_state.get('generated'))
            if st.session_state['generated']:
                with response_container:
                    for i in range(min(len(st.session_state['generated']), len(st.session_state['past']))):
                        message(st.session_state["past"][i], is_user=True, key=str(i) + '_user', avatar_style="personas")
                        message(st.session_state["generated"][i], key=str(i), avatar_style="bottts")
2

Your keys are random and that is wrong in this case. You should maintain a fix key so that the issues you are experiencing will be avoided.