old_contents: #!/usr/bin/env python
  
  import io
  import os
  import re
  
  
  # Prevent spurious errors during `python setup.py test`, a la
  # http://www.eby-sarna.com/pipermail/peak/2010-May/003357.html:
  try:
      import multiprocessing
      multiprocessing = multiprocessing  # shut up pyflakes
  except ImportError:
      pass
  
  from setuptools import setup, find_packages
  
  
  def read(*parts):
      with io.open(os.path.join(os.path.dirname(__file__), *parts)) as f:
          return f.read()
  
  
  def find_version(*file_paths):
      version_file = read(*file_paths)
      version_match = re.search(
          r"^__version__ = ['\"]([^'\"]*)['\"]",
          version_file,
          re.M
      )
      if version_match:
          return version_match.group(1)
      raise RuntimeError('Unable to find version string.')
  
  
  def find_install_requires():
      return [
          x.strip() for x in
          read('requirements.txt').splitlines()
          if x.strip() and not x.startswith('#')
      ]
  
  
  setup(
      name='mincss',
      version=find_version('mincss/__init__.py'),
      description='clears the junk out of your CSS',
      long_description=read('README.rst'),
      author='Peter Bengtsson',
      author_email='mail@peterbe.com',
      license='BSD',
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
      ],
      install_requires=find_install_requires(),
      py_modules=['mincss'],
      entry_points={'console_scripts': ['mincss=mincss.main:main']},
      tests_require=['nose'],
      test_suite='tests.test_mincss',
      url='https://github.com/peterbe/mincss'
  )
  
new_contents: #!/usr/bin/env python
  
  import io
  import os
  import re
  
  
  # Prevent spurious errors during `python setup.py test`, a la
  # http://www.eby-sarna.com/pipermail/peak/2010-May/003357.html:
  try:
      import multiprocessing
      multiprocessing = multiprocessing  # shut up pyflakes
  except ImportError:
      pass
  
  from setuptools import setup, find_packages
  
  
  def read(*parts):
      with io.open(os.path.join(os.path.dirname(__file__), *parts)) as f:
          return f.read()
  
  
  def find_version(*file_paths):
      version_file = read(*file_paths)
      version_match = re.search(
          r"^__version__ = ['\"]([^'\"]*)['\"]",
          version_file,
          re.M
      )
      if version_match:
          return version_match.group(1)
      raise RuntimeError('Unable to find version string.')
  
  
  def find_install_requires():
      return [
          x.strip() for x in
          read('requirements.txt').splitlines()
          if x.strip() and not x.startswith('#')
      ]
  
  
  setup(
      name='mincss',
      version=find_version('mincss/__init__.py'),
      description='clears the junk out of your CSS',
      long_description=read('README.rst'),
      author='Peter Bengtsson',
      author_email='mail@peterbe.com',
      license='BSD',
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
      ],
      install_requires=find_install_requires(),
      entry_points={'console_scripts': ['mincss=mincss.main:main']},
      tests_require=['nose'],
      test_suite='tests.test_mincss',
      url='https://github.com/peterbe/mincss'
  )
  
subject: Remove conflicting line