diff --git a/apps/assets/serializers/asset/common.py b/apps/assets/serializers/asset/common.py
index e51c4558f..d4643d9ac 100644
--- a/apps/assets/serializers/asset/common.py
+++ b/apps/assets/serializers/asset/common.py
@@ -119,8 +119,8 @@ class AssetSerializer(BulkOrgResourceModelSerializer, WritableNestedModelSeriali
             'nodes_display', 'accounts'
         ]
         read_only_fields = [
-            'category', 'type', 'connectivity', 'date_verified',
-            'created_by', 'date_created'
+            'category', 'type', 'connectivity',
+            'date_verified', 'created_by', 'date_created'
         ]
         fields = fields_small + fields_fk + fields_m2m + read_only_fields
         extra_kwargs = {
diff --git a/apps/common/serializers/common.py b/apps/common/serializers/common.py
index 805aaa453..1515fe911 100644
--- a/apps/common/serializers/common.py
+++ b/apps/common/serializers/common.py
@@ -1,15 +1,13 @@
-
-from rest_framework import serializers
-from rest_framework.serializers import Serializer
-from rest_framework.serializers import ModelSerializer
-from rest_framework_bulk.serializers import BulkListSerializer
-from django.utils.translation import gettext_lazy as _
 from django.utils.functional import cached_property
+from django.utils.translation import gettext_lazy as _
 from drf_writable_nested.serializers import WritableNestedModelSerializer as NestedModelSerializer
+from rest_framework import serializers
+from rest_framework.serializers import ModelSerializer
+from rest_framework.serializers import Serializer
+from rest_framework_bulk.serializers import BulkListSerializer
 
 from .mixin import BulkListSerializerMixin, BulkSerializerMixin
 
-
 __all__ = [
     'MethodSerializer', 'EmptySerializer', 'BulkModelSerializer',
     'AdaptedBulkListSerializer', 'CeleryTaskExecutionSerializer',
diff --git a/apps/common/serializers/mixin.py b/apps/common/serializers/mixin.py
index 749a39820..734b6b4d9 100644
--- a/apps/common/serializers/mixin.py
+++ b/apps/common/serializers/mixin.py
@@ -1,4 +1,4 @@
-from collections import Iterable
+from collections import Iterable, defaultdict
 
 from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import NOT_PROVIDED
@@ -362,7 +362,7 @@ class CommonModelSerializer(CommonSerializerMixin, serializers.ModelSerializer):
 
 
 class CommonBulkSerializerMixin(BulkSerializerMixin, CommonSerializerMixin):
-    pass
+    _save_kwargs = defaultdict(dict)
 
 
 class CommonBulkModelSerializer(CommonBulkSerializerMixin, serializers.ModelSerializer):
diff --git a/apps/orgs/mixins/serializers.py b/apps/orgs/mixins/serializers.py
index 7ff66cf59..e2e5a48a8 100644
--- a/apps/orgs/mixins/serializers.py
+++ b/apps/orgs/mixins/serializers.py
@@ -4,9 +4,9 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from rest_framework.validators import UniqueTogetherValidator
 
-from common.validators import ProjectUniqueValidator
-from common.serializers import BulkSerializerMixin, CommonSerializerMixin, CommonModelSerializer, \
+from common.serializers import CommonModelSerializer, \
     CommonBulkModelSerializer
+from common.validators import ProjectUniqueValidator
 from ..utils import get_current_org_id_for_serializer
 
 __all__ = [