text: # from django.contrib.auth.models import models
  from django.db import models
  from django.contrib.auth.models import AbstractUser
  
  from .managers import CustomUserManager
  
  
  class HeartUser(AbstractUser):
      username = None
      email = models.EmailField(
          verbose_name="email address",
          max_length=255,
          unique=True,
      )
  
      USERNAME_FIELD = 'email'
      EMAIL_FIELD = 'email'
      REQUIRED_FIELDS = []
  
      objects = CustomUserManager()
  
      def __str__(self):
          return self.email
  