def is_new_user(self):
        self.email = self.cleaned_data['email']
        try:
            user = User.objects.get(email=self.email)
            setattr(self, 'user', user)
            return False
        except User.DoesNotExist:
            return True
Returns a boolean value determining if the given email is for
dataset/ETHPy150Open jjdelc/django-easy-registration/easyreg/forms.py/EmailSignupForm.is_new_user