old_contents: from setuptools import setup
  
  setup(
      name='businesstimedelta',
      version='0.1',
      description='Timedelta for business time. Supports exact amounts of time (hours, seconds), custom schedules, holidays, and time zones.',
      classifiers=[
        'Development Status :: 3 - Alpha',
        'License :: OSI Approved :: MIT License',
        'Programming Language :: Python :: 2.7',
        'Topic :: Office/Business :: Scheduling'
      ],
      keywords='business working time timedelta hours businesstime businesshours',
      url='http://github.com/seppemans/businesstimedelta',
      author='seppemans',
      license='MIT',
      packages=['businesstimedelta', 'businesstimedelta.rules'],
      install_requires=[
          'pytz',
          'holidays'
      ],
      zip_safe=False,
      test_suite='nose.collector',
      tests_require=['nose'])
  
new_contents: from setuptools import setup
  
  setup(
      name='businesstimedelta',
      version='0.1',
      description='Timedelta for business time. Supports exact amounts of time (hours, seconds), custom schedules, holidays, and time zones.',
      classifiers=[
        'Development Status :: 3 - Alpha',
        'License :: OSI Approved :: MIT License',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3.2',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Topic :: Office/Business :: Scheduling'
      ],
      keywords='business working time timedelta hours businesstime businesshours',
      url='http://github.com/seppemans/businesstimedelta',
      author='seppemans',
      license='MIT',
      packages=['businesstimedelta', 'businesstimedelta.rules'],
      install_requires=[
          'pytz',
          'holidays'
      ],
      zip_safe=False,
      test_suite='nose.collector',
      tests_require=['nose'])
  
subject: Add python3 classifiers to setup.py