(self)
This method should be implemented by all subclasses of
        CommCareMobileContactMixin and should return the contact's
        email address or None if it doesn't have one.
This method should be implemented by all subclasses of
        CommCareMobileContactMixin and should return the contact's
        email address or None if it doesn't have one.
This method should be implemented by all subclasses of CommCareMobileContactMixin and should return the contact s email address or None if it doesn t have one .
def get_email(self):
        """
        This method should be implemented by all subclasses of
        CommCareMobileContactMixin and should return the contact's
        email address or None if it doesn't have one.
        """
        raise NotImplementedError('Please implement this method')
def get_email ( self ) : raise NotImplementedError ( 'Please implement this method' )