medical_assist/apps/extensions/__init__.py

from .init_sqlalhemy import db, init_databases
from flask import Flask
import paddlex as pdx

def init_plugins(app:Flask):
    init_databases(app)
    init_paddle(app)

def init_paddle(app):
    with app.app_context():
        use_gpu=True
        if not pdx.device.is_compiled_with_cuda():
            print("PaddlePaddle is not compiled with CUDA. CPU will be used.")
            use_gpu = False
        app.pdx_model = pdx.deploy.Predictor('./core/net/inference_model', use_gpu=use_gpu)