Import optimisation

assets/views.py

@@ -1,21 +1,18 @@
-import datetime
-
 import simplejson
-from assets import forms, models
 from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.core import serializers
 from django.db.models import Q
 from django.http import Http404, HttpResponse, JsonResponse
-from django.shortcuts import get_object_or_404
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.decorators import method_decorator
 from django.views import generic
 from django.views.decorators.csrf import csrf_exempt
-from versioning import versioning
-from PyRIGS.views import GenericListView, GenericDetailView, GenericUpdateView, GenericCreateView, ModalURLMixin, is_ajax
-from itertools import chain
+
+from PyRIGS.views import GenericListView, GenericDetailView, GenericUpdateView, GenericCreateView, ModalURLMixin, \
+    is_ajax
+from assets import forms, models
 
 
 @method_decorator(csrf_exempt, name='dispatch')