old_contents: import os
  import sys
  from setuptools import setup
  
  # Utility function to read the README file.
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  # The argparse module was introduced in python 2.7 or python 3.2
  REQUIRES = ["argparse"] if sys.version[:3] in ('2.6', '3.0', '3.1') else []
  
  setup(
      version='0.2.1.dev0',
      zip_safe         = True,
      name             = "seqfile",
      author           = "Utkarsh Upadhyay",
      author_email     = "musically.ut@gmail.com",
      description      = ("Find the next file in a sequence of files in a thread-safe way."),
      license          = "MIT",
      keywords         = "file threadsafe sequence",
      install_requires = REQUIRES + [ "natsort>=3.5.6" ],
      url              = "https://github.com/musically-ut/seqfile",
      packages         = ["seqfile"],
      setup_requires   = REQUIRES + ["nose>=1.0", "natsort>=3.5.6", "pep8>=1.6.2"],
      test_suite       = "nose.collector",
      long_description = read("README.rst"),
      entry_points     = {"console_scripts": [ "seqfile = seqfile.seqfile:_run" ]
                         },
      classifiers      = [
          "License :: OSI Approved :: MIT License",
          "Intended Audience :: Developers",
          "Intended Audience :: Science/Research",
          "Development Status :: 3 - Alpha",
          "Operating System :: OS Independent",
          "Topic :: Utilities",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 2.6",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3.3",
          "Programming Language :: Python :: 3.4",
          "Natural Language :: English"
      ],
  )
  
new_contents: import os
  import sys
  from setuptools import setup
  
  # Utility function to read the README file.
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  # The argparse module was introduced in python 2.7 or python 3.2
  REQUIRES = ["argparse"] if sys.version[:3] in ('2.6', '3.0', '3.1') else []
  
  setup(
      version='0.2.1.dev0',
      zip_safe         = True,
      name             = "seqfile",
      author           = "Utkarsh Upadhyay",
      author_email     = "musically.ut@gmail.com",
      description      = ("Find the next file in a sequence of files in a thread-safe way."),
      license          = "MIT",
      keywords         = "file threadsafe sequence",
      install_requires = REQUIRES + [ "natsort>=3.5.6" ],
      url              = "https://github.com/musically-ut/seqfile",
      packages         = ["seqfile"],
      setup_requires   = REQUIRES + ["nose>=1.0", "natsort>=3.5.6", "pep8>=1.6.2"],
      test_suite       = "nose.collector",
      long_description = read("README.rst"),
      entry_points     = {"console_scripts": [ "seqfile = seqfile.seqfile:_run" ]
                         },
      classifiers      = [
          "Intended Audience :: Developers",
          "Intended Audience :: Science/Research",
          "Development Status :: 3 - Alpha",
          "Operating System :: OS Independent",
          "Topic :: Utilities",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 2.6",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3.3",
          "Programming Language :: Python :: 3.4",
          "Natural Language :: English"
      ],
  )
  
subject: Remove duplicate classifier.