Removes code producing DeprecationError

Author: saxix

CHANGES

@@ -1,3 +1,7 @@
+Release 2.x (dev)
+-------------
+* Removes code producing DeprecationError
+
 Release 2.2
 -------------
 * drop suppot django<3.0

src/concurrency/__init__.py

@@ -1,5 +1,5 @@
 __author__ = 'sax'
 default_app_config = 'concurrency.apps.ConcurrencyConfig'
 
-VERSION = __version__ = "2.2"
+VERSION = __version__ = "2.2.1"
 NAME = 'django-concurrency'

src/concurrency/fields.py

@@ -11,7 +11,7 @@
 from django.db.models.fields import Field
 from django.db.models.signals import class_prepared, post_migrate
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from concurrency import forms
 from concurrency.api import get_revision_of_object

tests/test_admin_list_editable.py

@@ -32,7 +32,7 @@ def test_normal_add(self):
 
         res = res.click(self.TARGET._meta.verbose_name_plural)
 
-        res = res.click('Add')
+        res = res.click('Add', href='/admin/auth/user/add/')
         form = res.form
         form['username'] = 'CHAR'
         res = form.submit().follow()

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = d{30}-py{36,37,38}-{pg,sqlite,mysql}
+envlist = d{30,31}-py{36,37,38}-{pg,sqlite,mysql}
 
 
 [pytest]
@@ -60,6 +60,7 @@ deps =
 ;    d21: django>=2.1,<2.2
 ;    d22: django>=2.2,<2.3
     d30: django>=3.0,<3.1
+    d31: django>=3.1,<3.2
 
 
 commands =