Fix linting

backend/donations/views/api.py

@@ -11,7 +11,6 @@
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.decorators import method_decorator
-from django.utils.translation import gettext as _
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import TemplateView