text: # coding=utf-8
  from __future__ import absolute_import, division, print_function, \
    unicode_literals
  
  from unittest import TestCase
  
  from pyota_ccurl import is_installed
  
  
  class IsInstalledTestCase(TestCase):
    def test_is_installed(self):
      """
      Verify that the C extension is installed correctly.
      """
      self.assertTrue(is_installed())
  