update translation commands

InvenTree/stock/api.py

@@ -13,7 +13,7 @@ from django.urls import include, path, re_path
 from django.http import JsonResponse
 from django.db.models import Q, F
 from django.db import transaction
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from django_filters.rest_framework import DjangoFilterBackend
 from django_filters import rest_framework as rest_filters

InvenTree/stock/forms.py

@@ -7,7 +7,7 @@ from __future__ import unicode_literals
 
 from django import forms
 from django.forms.utils import ErrorDict
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from mptt.fields import TreeNodeChoiceField
 

InvenTree/stock/serializers.py

@@ -10,7 +10,7 @@ from datetime import datetime, timedelta
 from django.db import transaction
 
 from django.core.exceptions import ValidationError as DjangoValidationError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.db.models.functions import Coalesce
 from django.db.models import Case, When, Value
 from django.db.models import BooleanField

InvenTree/stock/views.py

@@ -15,7 +15,7 @@ from django.http import HttpResponseRedirect
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
 
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from moneyed import CURRENCIES