исправил некоторые косяки

users/managers.py

@@ -18,7 +18,7 @@ class CustomUserManager(BaseUserManager):
         user.save()
         return user
 
-    def create_superuser(self, email, password, **extra_fields):
+    def create_superuser(self, login, password, **extra_fields):
         """
         Create and save a SuperUser with the given email and password.
         """
@@ -30,4 +30,4 @@ class CustomUserManager(BaseUserManager):
             raise ValueError(_("Superuser must have is_staff=True."))
         if extra_fields.get("is_superuser") is not True:
             raise ValueError(_("Superuser must have is_superuser=True."))
-        return self.create_user(email, password, **extra_fields)
+        return self.create_user(login, password, **extra_fields)