Changes the width of the columns of the current range
         to achieve the best fit, based on the current data in the columns

def auto_fit_columns(self):
        """ Changes the width of the columns of the current range
         to achieve the best fit, based on the current data in the columns
        """
        url = self.build_url(self._endpoints.get('auto_fit_columns'))
        return bool(self.session.post(url))