Revert "[REMOVE] Unused imports"

This reverts commit f497c18e5b.

allianceauth/authentication/views.py

@@ -11,6 +11,7 @@ from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth import authenticate, login
 from django.contrib.auth.decorators import login_required, user_passes_test
+from django.contrib.auth.models import User
 from django.core import signing
 from django.http import JsonResponse
 from django.shortcuts import redirect, render