TextGen/__init__.py

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

app = FastAPI(title="Deploying FastAPI Apps on Huggingface")
app.add_middleware(
    CORSMiddleware,
    allow_origins=[], 
    allow_origin_regex=r"^https://jofthomas-.*\.hf\.space$",  
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

from TextGen import router