old_contents: try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  import sys
  
  data = dict(
      name='python-datetime_tz',
      version='0.1',
      author='Tim Ansell',
      author_email='mithro@mithis.com',
      packages=['datetime_tz'],
      install_requires=['pytz'],
  )
  
  if sys.version[:3] < '3.0':
      data['install_requires'].append('python-dateutil == 1.5')
  else:
      data['install_requires'].append('python-dateutil == 2.0')
  
  setup(**data)
  
new_contents: try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  import sys
  
  data = dict(
      name='python-datetime_tz',
      version='0.1',
      author='Tim Ansell',
      author_email='mithro@mithis.com',
      packages=['datetime_tz'],
      install_requires=['pytz'],
  )
  
  if sys.version[:3] < '3.0':
      data['install_requires'].append('python-dateutil >= 1.4')
  else:
      data['install_requires'].append('python-dateutil == 2.0')
  
  setup(**data)
  
subject: Reduce the requirements a little bit.