Fix User REQUIRED_FIELDS

apps/user/models.py

@@ -1,5 +1,5 @@
 from django.db import models
-from django.contrib.auth.models import AbstractUser
+from django.contrib.auth.models import AbstractUser, UserManager
 from django.contrib.postgres import fields as pgfields
 from django.utils.translation import gettext_lazy as _
 
@@ -32,4 +32,4 @@ class User(AbstractUser):
     is_email_proved = models.BooleanField('Верифицирован по email', default=False)
 
     USERNAME_FIELD = 'email'
-    REQUIRED_FIELDS = []
+    REQUIRED_FIELDS = ['username']