Update to use `gettext_lazy`
The use of `ugettext` and variants is deprecated in Django 3.0 and to be removed in Django 4.0.
See more here:
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
from django.forms.widgets import Media, Widget, CheckboxInput
from django.utils.html import conditional_escape
from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
class ClearableWidgetWrapper(Widget):
