Fix import order

app/api/models.py

@@ -5,7 +5,7 @@ from django.conf import settings
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.db.models.signals import post_save, pre_delete, m2m_changed
+from django.db.models.signals import m2m_changed, post_save, pre_delete
 from django.dispatch import receiver
 from django.urls import reverse
 from polymorphic.models import PolymorphicModel

app/api/views/project.py

@@ -3,7 +3,7 @@ from rest_framework import generics, status
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
 
-from ..models import Project, RoleMapping, Role
+from ..models import Project, Role, RoleMapping
 from ..permissions import IsInProjectReadOnlyOrAdmin
 from ..serializers import ProjectPolymorphicSerializer, ProjectSerializer