app.py

import streamlit as st
from transformers import pipeline

st.title("Text Classifier - BART-Large-MNLI")
st.write("Input text and labels. Submit. The machine will classify the text according to the labels.")

classifier = pipeline("zero-shot-classification", model='facebook/bart-large-mnli')

form = st.form(key='zeroclassifier_form')
input_text = form.text_input(label='Input Text')
labels = form.text_input(label='Labels')
submit_button = form.form_submit_button(label='Submit')

if submit_button:
   labs = labels.title().split(',')
   text = input_text.title() 
   res = classifier(text, labs)
   st.success(res['labels'][0])
   st.info(res['scores'][0])