app.py

import gradio as gr
import requests
import os

API_URL = "https://api-inference.huggingface.co/models/cardiffnlp/twitter-roberta-base-sentiment"

bt = os.environ['HACKAITHONBEARERTOKEN']
headers = {"Authorization": bt }

def query(data):
    response = requests.post(API_URL, headers=headers, json=data)
    return "V2"+str(response.json())

def greet(howareyoufeeling):
    output = query({"inputs":howareyoufeeling})
    print (str(output))
    return str(output)

iface = gr.Interface(
  fn=greet, inputs=["text"], outputs="text",  allow_flagging="never")
iface.launch()