voicepeak_api/app/__init__.py

from flask import Flask
from config import get_config
from .errors import register_error_handlers

def create_app():
    app = Flask(__name__)
    config = get_config()
    app.config.from_object(config)
    config.init_app(app)

    from . import routes
    app.register_blueprint(routes.bp)

    register_error_handlers(app)  # Make sure this line is present

    return app