docs: def _get_template(self):
          """Returns a template for this report.
  
          :rtype: `jinja2.Template`
  
          """
          loader = PackageLoader(self._package_name, 'assets/templates')
          env = Environment(extensions=['jinja2.ext.with_'], loader=loader)
          return env.get_template('{}.html'.format(self._report_name))