app.py

from fastapi import FastAPI
from transformers import pipeline

# create a new FASTAPI app instance
app = FastAPI()

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

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

# Define a function to handle the GET request at '/generate'

@app.get("/generate")
def generate(text:str):
    # use the pipeline to generate text from given input text
    output = pipe(text)

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