Trying with django <3.2,>=2.0

Author: martin-marty

src/relativedeltafield/fields.py

@@ -1,11 +1,14 @@
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.utils.translation import gettext_lazy as _
-
 from relativedeltafield.utils import (format_relativedelta,
                                       parse_relativedelta,
                                       relativedelta_as_csv)
 
+try:
+    from django.utils.translation import gettext_lazy as _
+except ImportError:
+    from django.utils.translation import ugettext as _
+
 
 class RelativeDeltaDescriptor:
     def __init__(self, field) -> None:

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = d{32,40,41}-py{39,310}-{pg,sqlite,mysql}
+envlist = d{20,21,22,30,31,32,40,41}-py{39,310}-{pg,sqlite,mysql}
 
 [gh-actions]
 python = 
@@ -68,8 +68,13 @@ deps =
     psycopg2-binary
     mysql: mysqlclient
     docs: -rdocs/requirements.pip
-    d32: django==3.2.*
-    d40: django==4.0.*
+    d20: django>=2.0,<2.1
+    d21: django>=2.1,<2.2
+    d22: django>=2.2,<2.3
+    d30: django=>3.0,<3.1
+    d31: django=>3.1,<3.2*
+    d32: django=>3.2,<4
+    d40: django=>4.0,<4.1
     d41: django==4.1.*
 
 commands =