app.py

from fastapi import FastAPI
from transformers import pipeline


app=FastAPI()

#create text generation pipeline

pipe = pipeline("text2text-generation", model="google/flan-t5-small")

@app.get("/")
def home():
    return {"message": "Hello World"}

# Define a functio to handle the GET requests at '/generate'
@app.get("/generate")
def generate(text:str):
    ## use the pipeline to generate the text from the given input

    output=pipe(text)

    ## return the response in JSON format
    return {"output":output[0]['generated_text']}