fixed regression introduced

companies/serializers.py

@@ -1,9 +1,8 @@
 from rest_framework import serializers
-
-from taggit_serializer.serializers import TagListSerializerField, TaggitSerializer
-
 from companies.models import Company
 
+from utils.tag_serializers import TagListSerializerField, TaggitSerializer
+
 class CompanySerializer(TaggitSerializer, serializers.ModelSerializer):
 
     tags = TagListSerializerField(required=False)