text: from __future__ import (absolute_import, division, print_function,
                          unicode_literals)
  
  import os
  
  
  # Check that the test directories exist
  if not os.path.exists(os.path.join(
          os.path.dirname(__file__), 'baseline_images')):
      raise IOError(
          'The baseline image directory does not exist. '
          'This is most likely because the test data is not installed. '
          'You may need to install matplotlib from source to get the '
          'test data.')
  