Reload app upon removing an uploaded file

app.py

import streamlit as st

if "input_option" not in st.session_state:
    st.session_state.input_option = "Enter Text"

placeholder = st.empty()

# Defining title Font styling
with placeholder.container():
    st.session_state.input_option = st.radio("**Choose input option**", ('Enter Text', 'Upload Document'), horizontal= True)

if st.session_state.input_option == "Enter Text":
    with st.container():
        text = st.text_area("**Enter text content to tag:**", height= 300, key= "text")
        button = st.button("Submit")
        if text or button:
            response = get_text_content(text)
            st.info(f'response: {",".join(response)}')

if st.session_state.input_option == "Upload Document":
    uploaded_file = st.sidebar.file_uploader(label ="Upload a File", key= "uploaded_file", label_visibility= 'collapsed')
    
    if uploaded_file is None:
        st.warning('Please upload file in the sidebar!')
    if uploaded_file is not None:
        st.write(f'Uploaded file: {uploaded_file.name}')
    else:
        st.session_state.input_option = "Enter Text"
        placeholder.container().empty()