Fixed django-request#197 -- Fixed ugettext_lazy() deprecation warnings for Django 3.0.

Author: jwedel

request/admin.py

@@ -8,7 +8,7 @@
 from django.http import HttpResponse
 from django.shortcuts import render
 from django.utils.html import format_html
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from .models import Request
 from .plugins import plugins

request/models.py

@@ -5,7 +5,7 @@
 from django.contrib.auth import get_user_model
 from django.db import models
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from six import python_2_unicode_compatible
 
 from . import settings as request_settings

request/traffic.py

@@ -4,8 +4,8 @@
 import django
 from django.core.exceptions import ImproperlyConfigured
 from django.db.models import Count
+from django.utils.translation import gettext_lazy as _
 from django.utils.translation import ugettext
-from django.utils.translation import ugettext_lazy as _
 
 from . import settings
 from .utils import get_verbose_name

request/utils.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 import re
 
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from .router import Patterns