Fix flake8 error

Author: yakser

chats/tests/test_direct.py

@@ -9,6 +9,7 @@
 
 class DirectTests(TestCase):
     """Direct tests for chats"""
+
     @classmethod
     def setUpTestData(cls):
         user = get_user_model().objects.create(**TEST_USER1)
@@ -459,7 +460,9 @@ async def test_delete_message(self):  # Delete messages in a chat with someone
         direct_message = await sync_to_async(DirectChatMessage.objects.get)(id=1)
         self.assertTrue(direct_message.is_deleted)
 
-    async def test_delete_other_message(self):  # Delete someone else's messages in a chat with someone
+    async def test_delete_other_message(
+        self,
+    ):  # Delete someone else's messages in a chat with someone
         user = await sync_to_async(get_user_model().objects.create)(**TEST_USER2)
         communicator = WebsocketCommunicator(ChatConsumer.as_asgi(), "/ws/chat/")
         communicator.scope["user"] = self.user

core/utils.py

@@ -5,6 +5,7 @@ class Email:
     """
     Send email messages
     """
+
     @staticmethod
     def send_email(data):
         email = EmailMultiAlternatives(

industries/tests.py

@@ -10,6 +10,7 @@
 
 class IndustryTestCase(TestCase):
     """Tests for industries+"""
+
     def setUp(self):
         self.factory = APIRequestFactory()
 

users/serializers.py

@@ -26,7 +26,7 @@ def to_internal_value(self, data):
 class CustomListField(serializers.ListField):
     # костыль
     def to_representation(self, data):
-        if type(data) == list:
+        if isinstance(data, list):
             return data
         return [
             i.replace("'", "") for i in data.strip("][").split(", ") if i.replace("'", "")