old_contents: from distutils.core import setup
  
  import traitscli
  
  setup(
      name='traitscli',
      version=traitscli.__version__,
      py_modules=['traitscli'],
      author=traitscli.__author__,
      author_email='aka.tkf@gmail.com',
      url='https://github.com/tkf/traitscli',
      license=traitscli.__license__,
      description='traitscli - CLI generator based on class traits',
      long_description=traitscli.__doc__,
      keywords='CLI, traits',
      classifiers=[
          "Development Status :: 3 - Alpha",
          # see: http://pypi.python.org/pypi?%3Aaction=list_classifiers
      ],
      install_requires=[
          'traits',
      ]
  )
  
new_contents: from distutils.core import setup
  
  import traitscli
  
  setup(
      name='traitscli',
      version=traitscli.__version__,
      py_modules=['traitscli'],
      author=traitscli.__author__,
      author_email='aka.tkf@gmail.com',
      url='https://github.com/tkf/traitscli',
      license=traitscli.__license__,
      description='traitscli - CLI generator based on class traits',
      long_description=traitscli.__doc__,
      keywords='CLI, traits',
      classifiers=[
          "Development Status :: 3 - Alpha",
          # see: http://pypi.python.org/pypi?%3Aaction=list_classifiers
      ],
      install_requires=[
          'argparse',
          'traits',
      ]
  )
  
subject: Add argparse to install_requires for Python 2.6