from django.contrib.auth import get_user_model
from django.forms.utils import ValidationError


def validate_email_nouser(email):
    """
    Check if the email address does not belong to an existing user.
    """
    # Check whether we should be subscribed to as a user
    #User = get_user_model()

    #if User.objects.filter(email__exact=email).exists():
    #    raise ValidationError(_(
    #        "The e-mail address '%(email)s' belongs to a user with an "
    #        "account on this site. Please log in as that user "
    #        "and try again."
    #    ) % {'email': email})
    pass