fix style test

Signed-off-by: ziad <ziadhany2016@gmail.com>

Author: ziadhany

vulnerabilities/api.py

@@ -12,11 +12,11 @@
 from django.db.models import Prefetch
 from django_filters import rest_framework as filters
 from packageurl import PackageURL
+from rest_framework import serializers
+from rest_framework import viewsets
 from rest_framework.decorators import action
 from rest_framework.response import Response
 
-from rest_framework import serializers
-from rest_framework import viewsets
 from vulnerabilities.models import Alias
 from vulnerabilities.models import Package
 from vulnerabilities.models import Vulnerability