Returns the name of the template to be used for rendering this tab.

        By default it returns the value of the ``template_name`` attribute
        on the ``Tab`` class.

def get_template_name(self, request):
        """Returns the name of the template to be used for rendering this tab.

        By default it returns the value of the ``template_name`` attribute
        on the ``Tab`` class.
        """
        if not hasattr(self, "template_name"):
            raise AttributeError("%s must have a template_name attribute or "
                                 "override the get_template_name method."
                                 % self.__class__.__name__)
        return self.template_name