fixup! Replace flask-simpleldap with flask-ldap-auth.

## Configuration

All of the configuration should be done with environment variables. For the

complete list see <https://flask-simpleldap.readthedocs.io/en/latest/#configuration>

complete list see <https://github.com/drowolath/flask-ldap-auth#usage>

and

<https://flask.palletsprojects.com/en/1.1.x/config/#configuring-from-environment-variables>.

<https://flask.palletsprojects.com/en/1.1.x/config/#builtin-configuration-values>.

## License

# pylint: disable=import-error

import os

from flask import Flask, token

from flask_ldap_auth import login_required

from flask import Flask

from flask_ldap_auth import login_required, token

app = Flask(__name__)

app.config["SECRET_KEY"] = os.getenv("SECRET_KEY", os.urandom(16))