Set random password for user after create

apps/user/models.py

@@ -5,7 +5,7 @@ from phonenumber_field.modelfields import PhoneNumberField
 from django.db import models
 from django.db.models.signals import post_save
 from django.dispatch import receiver
-from django.contrib.auth.models import AbstractUser, UserManager
+from django.contrib.auth.models import AbstractUser
 from django.contrib.postgres import fields as pgfields
 from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
@@ -62,11 +62,13 @@ class User(AbstractUser):
     USERNAME_FIELD = 'email'
     REQUIRED_FIELDS = ['username']
 
-    non_polymorphic = models.Manager()
-
     class Meta(AbstractUser.Meta):
         ordering = ('-date_joined',)
-        base_manager_name = 'non_polymorphic'
+
+    def save(self, *args, **kwargs):
+        if self.password is None and self._password is None:
+            self._password = self.objects.make_random_password()
+        super().save(*args, **kwargs)
 
     def serialized(self):
         user_data = serializers.user.UserSerializer(instance=self).data