Fix linting errors

greg/api/serializers/person.py

@@ -39,10 +39,10 @@ class IdentitySerializer(serializers.ModelSerializer):
         # If the type is a specific ID type, then duplicates are not expected
         return Identity.objects.filter(type=identity_type).filter(value=value).exists()
 
-    def validate(self, data):
-        if self.is_duplicate(data["type"], data["value"]):
+    def validate(self, attrs):
+        if self.is_duplicate(attrs["type"], attrs["value"]):
             raise ValidationError("Identity already exists")
-        return data
+        return attrs
 
 
 class ConsentTypeSerializerBrief(serializers.ModelSerializer):

greg/tests/api/test_person.py

@@ -2,7 +2,6 @@ import datetime
 from typing import Dict
 
 import pytest
-from django.core.exceptions import ValidationError
 from rest_framework import status
 from rest_framework.reverse import reverse
 from rest_framework.status import HTTP_200_OK

greg/tests/models/test_person.py

-from datetime import datetime, timedelta
+from datetime import timedelta
 from functools import partial
 
 import pytest