Fix lints for Python 3.12

Author: niklasmohrin

evap/evaluation/models_logging.py

@@ -6,6 +6,7 @@
 from datetime import date, datetime, time
 from enum import Enum
 from json import JSONEncoder
+from typing import assert_never
 
 from django.conf import settings
 from django.contrib.contenttypes.fields import GenericForeignKey
@@ -17,7 +18,6 @@
 from django.template.defaultfilters import yesno
 from django.utils.formats import localize
 from django.utils.translation import gettext_lazy as _
-from typing_extensions import assert_never
 
 from evap.evaluation.tools import capitalize_first
 

evap/staff/importers/enrollment.py

@@ -3,7 +3,7 @@
 from collections.abc import Iterable
 from dataclasses import dataclass, fields
 from datetime import date, datetime
-from typing import NoReturn, TypeAlias, TypeGuard, TypeVar
+from typing import NoReturn, TypeGuard
 
 from django.conf import settings
 from django.db import transaction
@@ -47,8 +47,7 @@ def __bool__(self) -> NoReturn:
 
 invalid_value = InvalidValue()
 
-T = TypeVar("T")
-MaybeInvalid: TypeAlias = T | InvalidValue
+type MaybeInvalid[T] = T | InvalidValue
 
 
 @dataclass

evap/staff/views.py

@@ -5,7 +5,7 @@
 from dataclasses import dataclass
 from datetime import date, datetime
 from enum import Enum
-from typing import Any, Final, Literal, cast
+from typing import Any, Final, Literal, assert_never, cast
 
 import openpyxl
 from django.conf import settings
@@ -38,7 +38,6 @@
 from django.utils.translation import gettext_lazy, ngettext
 from django.views.decorators.http import require_POST
 from django.views.generic import CreateView, FormView, UpdateView
-from typing_extensions import assert_never
 
 from evap.contributor.views import export_contributor_results
 from evap.evaluation.auth import manager_required, reviewer_required, staff_permission_required