old_contents: """PyWorld is a Python wrapper for WORLD vocoder.
  
  PyWorld wrappers WORLD, which is a free software for high-quality speech
  analysis, manipulation and synthesis. It can estimate fundamental frequency (F0),
  aperiodicity and spectral envelope and also generate the speech like input speech
  with only estimated parameters.
  """
  
  
  from __future__ import with_statement, print_function, absolute_import
  
  from setuptools import setup, find_packages, Extension
  from distutils.version import LooseVersion
  
  import os
  from glob import glob
  from os.path import join
  import numpy
  
  from setuptools.command.build_ext import build_ext
  
  
  DOCLINES = __doc__.split('\n')
  _VERSION = '0.2.12'
  
  world_src_top = join("lib", "World", "src")
  world_sources = glob(join(world_src_top, "*.cpp"))
  
  ext_modules = [
      Extension(
          name="pyworld.pyworld",
          include_dirs=[world_src_top, numpy.get_include()],
          sources=[join("pyworld", "pyworld.pyx")] + world_sources,
          language="c++")]
  
  setup(
      name="pyworld",
      description=DOCLINES[0],
      long_description='\n'.join(DOCLINES[2:]),
      ext_modules=ext_modules,
      cmdclass={'build_ext': build_ext},
      version=_VERSION,
      packages=find_packages(),
      setup_requires=[
          'numpy',
      ],
      install_requires=[
          'numpy',
          'cython>=0.24.0',
      ],
      extras_require={
          'test': ['nose'],
          'sdist': ['numpy', 'cython'],
      },
      author="Pyworld Contributors",
      author_email="jeremycchsu@gmail.com",
      url="https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder",
      keywords=['vocoder'],
      classifiers=[],
  )
  
new_contents: """PyWorld is a Python wrapper for WORLD vocoder.
  
  PyWorld wrappers WORLD, which is a free software for high-quality speech
  analysis, manipulation and synthesis. It can estimate fundamental frequency (F0),
  aperiodicity and spectral envelope and also generate the speech like input speech
  with only estimated parameters.
  """
  
  
  from __future__ import with_statement, print_function, absolute_import
  
  from setuptools import setup, find_packages, Extension
  from distutils.version import LooseVersion
  
  import os
  from glob import glob
  from os.path import join
  import numpy
  
  from setuptools.command.build_ext import build_ext
  
  
  DOCLINES = __doc__.split('\n')
  _VERSION = '0.3.0'
  
  world_src_top = join("lib", "World", "src")
  world_sources = glob(join(world_src_top, "*.cpp"))
  
  ext_modules = [
      Extension(
          name="pyworld.pyworld",
          include_dirs=[world_src_top, numpy.get_include()],
          sources=[join("pyworld", "pyworld.pyx")] + world_sources,
          language="c++")]
  
  setup(
      name="pyworld",
      description=DOCLINES[0],
      long_description='\n'.join(DOCLINES[2:]),
      ext_modules=ext_modules,
      cmdclass={'build_ext': build_ext},
      version=_VERSION,
      packages=find_packages(),
      setup_requires=[
          'numpy',
      ],
      install_requires=[
          'numpy',
          'cython>=0.24.0',
      ],
      extras_require={
          'test': ['nose'],
          'sdist': ['numpy', 'cython'],
      },
      author="Pyworld Contributors",
      author_email="jeremycchsu@gmail.com",
      url="https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder",
      keywords=['vocoder'],
      classifiers=[],
  )
  
subject: add version no.