old_contents: from fluenttest.class_based import ClassTester, lookup_class, the_class
  from fluenttest.test_case import TestCase
  
  __all__ = [
      'ClassTester',
      'TestCase',
      'lookup_class',
      'the_class',
  ]
  
new_contents: from fluenttest.class_based import ClassTester, lookup_class, the_class
  from fluenttest.test_case import TestCase
  
  version_info = (1, 1, 0)
  __version__ = '.'.join(str(x) for x in version_info)
  __all__ = [
      'ClassTester',
      'TestCase',
      'lookup_class',
      'the_class',
      '__version__',
      'version_info',
  ]
  
subject: Add __version__ attribute to fluenttest.