Change Django compatibility

CHANGES.txt

@@ -13,3 +13,4 @@ v1.0.12, 2020/01/24 -- added feature filter keys in admin
 v1.0.13, 2020/02/04 -- added support for Django 2.2
 v1.0.14, 2020/02/04 -- added feature to use django-translator for custom models
 v1.0.15, 2021/11/11 -- added support for Django 3.1
+v1.1.0, 2022/07/28 -- Support custom cache duration

setup.py

@@ -4,7 +4,7 @@
 
 README = open(os.path.join(os.path.dirname(__file__), 'README.rst')).read()
 
-reqs = ['Django>=1.7', 'django-modeltranslation>=0.10.0', 'django-taggit>= 0.12.0']
+reqs = ['Django>=3.2', 'django-modeltranslation>=0.18.4', 'django-taggit>= 2.0.0']
 
 # allow setup.py to be run from any path
 os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))

translator/admin.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from django.conf import settings
 from django.contrib import admin
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from modeltranslation.admin import TranslationAdmin
 
 from translator.models import Translation

translator/models.py

@@ -2,16 +2,11 @@
 from django.conf import settings
 from django.core.cache import cache
 from django.db import models
+from django.utils.functional import classproperty
 from taggit.managers import TaggableManager
 
 from translator.util import get_key
 
-try:
-    # Django 3.1 and above
-    from django.utils.functional import classproperty
-except ImportError:
-    from django.utils.decorators import classproperty
-
 
 class TranslationBase(models.Model):
     key = models.CharField(max_length=255, unique=True)