Revert "upgrade flask_login to 0.5.0"

tests/__init__.py

@@ -4,7 +4,6 @@ from unittest.mock import patch
 from urllib.parse import parse_qs, urlparse
 
 import pytest
-from flask import session as flask_session
 from flask import url_for
 from flask.testing import FlaskClient
 from flask_login import login_user
@@ -28,9 +27,6 @@ class TestClient(FlaskClient):
 
         with patch('app.events_api_client.create_event'):
             login_user(model_user)
-        with self.session_transaction() as test_session:
-            for key, value in flask_session.items():
-                test_session[key] = value
 
     def logout(self, user):
         self.get(url_for("main.sign_out"))