removed unused deprecated ugettext imports

.coveragerc

@@ -3,4 +3,4 @@ source = dbtemplates
 branch = 1
 
 [report]
-omit = *tests*,*migrations*
+omit = *tests*,*/migrations/*,test_*

dbtemplates/admin.py

@@ -2,15 +2,8 @@ import posixpath
 from django import forms
 from django.contrib import admin
 from django.core.exceptions import ImproperlyConfigured
-try:
-    # Django 4.0
-    from django.utils.translation import gettext_lazy as _
-    from django.utils.translation import ngettext
-except ImportError:
-    # Before Django 4.0
-    from django.utils.translation import ugettext_lazy as _
-    from django.utils.translation import ungettext as ngettext
-
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext
 from django.utils.safestring import mark_safe
 
 from dbtemplates.conf import settings

dbtemplates/apps.py

@@ -1,8 +1,5 @@
 from django.apps import AppConfig
-try:
-    from django.utils.translation import ugettext_lazy as _
-except ImportError:
-    from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class DBTemplatesConfig(AppConfig):

dbtemplates/models.py

@@ -1,19 +1,16 @@
 from dbtemplates.conf import settings
-from dbtemplates.utils.cache import (add_template_to_cache,
-                                     remove_cached_template)
+from dbtemplates.utils.cache import (
+    add_template_to_cache,
+    remove_cached_template,
+)
 from dbtemplates.utils.template import get_template_source
+
 from django.contrib.sites.managers import CurrentSiteManager
 from django.contrib.sites.models import Site
 from django.db import models
 from django.db.models import signals
 from django.template import TemplateDoesNotExist
-try:
-    # Django >= 4.0
-    from django.utils.translation import gettext_lazy as _
-except ImportError:
-    # Django 3.2
-    from django.utils.translation import ugettext_lazy as _
-
+from django.utils.translation import gettext_lazy as _
 from django.utils.timezone import now