def has_display(self, display):
return display in self.displays<EOL>
Check if the current ``Choices`` object has the given display name.

        Parameters
        ----------
        display: string
            Display name we want to check..

        Returns
        -------
        boolean
            ``True`` if the display name is present, ``False`` otherwise.

        Example
        -------

        >>> MY_CHOICES = Choices(('FOO', 1, 'foo'), ('BAR', 2, 'bar'))
        >>> MY_CHOICES.has_display('foo')
        True
        >>> MY_CHOICES.has_display('qux')
        False