Get a :class:`Project` by slug

        :param slug: the slug of the :class:`Project`

def get_by_slug(self, slug):
        """
        Get a :class:`Project` by slug

        :param slug: the slug of the :class:`Project`
        """
        response = self.requester.get(
            '/{endpoint}/by_slug?slug={slug}',
            endpoint=self.instance.endpoint,
            slug=slug
        )
        return self.instance.parse(self.requester, response.json())