old_contents: #!/usr/bin/env python
  #! coding: utf-8
  
  import os
  import sys
  import io
  import platform
  import subprocess
  from setuptools import setup, Extension
  
  # avoid building universal binary (ppc) on osx non-ppc platforms
  if sys.platform == 'darwin':
      arch = platform.machine()
      if arch in ('i386', 'x86_64'):
          os.environ['ARCHFLAGS'] = '-arch i386 -arch x86_64'
  
  extra_compile_args = ['-g', '-fPIC', '-Wall', '-O2']
  
  VERSION = '0.2.3'
  
  if not os.path.exists('smhasher/src'):
      sys.stderr.write('run command:\ngit submodule update --init\n')
      p = subprocess.Popen(args=['git', 'submodule', 'update', '--init'],
                           stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      outs, errs = p.communicate()
      p.wait()
      sys.stderr.write(str(outs))
      sys.stderr.write(str(errs))
  
  here = os.path.abspath(os.path.dirname(__file__))
  
  readme = os.path.join(here, 'README.rst')
  try:
      long_description = io.open(readme, mode='r', encoding='utf-8').read()
  except (IOError, ImportError):
      long_description = ''  # never got here
  
  cpp_files = [
      'smhasher/MurmurHash2.cpp',
      'smhasher/MurmurHash3.cpp',
      'smhasher/City.cpp',
      'pysmhasher.cpp'
  ]
  
  pysmhasher_ext = Extension(
      'pysmhasher',
      sources=cpp_files,
      include_dirs=['smhasher'],
      define_macros=[('MODULE_VERSION', '"{}"'.format(VERSION))],
      extra_compile_args=extra_compile_args
  )
  
  setup(
      name='pysmhasher',
      version=VERSION,
      author='Yong Li',
      author_email='hungrybirder@gmail.com',
      url='https://github.com/hungrybirder/pysmhasher.git',
      description='Python Extensions for SMHasher',
      long_description=long_description,
      keywords='hash hashing smhasher',
      license='MIT',
      ext_modules=[pysmhasher_ext],
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Build Tools',
          'License :: OSI Approved :: MIT License',
  
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Programming Language :: Python :: 3.9',
      ],
  )
  
new_contents: #!/usr/bin/env python
  #! coding: utf-8
  
  import os
  import sys
  import io
  import platform
  import subprocess
  from setuptools import setup, Extension
  
  # avoid building universal binary (ppc) on osx non-ppc platforms
  if sys.platform == 'darwin':
      arch = platform.machine()
      if arch in ('i386', 'x86_64'):
          os.environ['ARCHFLAGS'] = '-arch i386 -arch x86_64'
  
  extra_compile_args = ['-g', '-fPIC', '-Wall', '-O2']
  
  VERSION = '0.2.3'
  
  if not os.path.exists('smhasher'):
      sys.stderr.write('run command:\ngit submodule update --init\n')
      p = subprocess.Popen(args=['git', 'submodule', 'update', '--init'],
                           stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      outs, errs = p.communicate()
      p.wait()
      sys.stderr.write(str(outs))
      sys.stderr.write(str(errs))
  
  here = os.path.abspath(os.path.dirname(__file__))
  
  readme = os.path.join(here, 'README.rst')
  try:
      long_description = io.open(readme, mode='r', encoding='utf-8').read()
  except (IOError, ImportError):
      long_description = ''  # never got here
  
  cpp_files = [
      'smhasher/MurmurHash2.cpp',
      'smhasher/MurmurHash3.cpp',
      'smhasher/City.cpp',
      'pysmhasher.cpp'
  ]
  
  pysmhasher_ext = Extension(
      'pysmhasher',
      sources=cpp_files,
      include_dirs=['smhasher'],
      define_macros=[('MODULE_VERSION', '"{}"'.format(VERSION))],
      extra_compile_args=extra_compile_args
  )
  
  setup(
      name='pysmhasher',
      version=VERSION,
      author='Yong Li',
      author_email='hungrybirder@gmail.com',
      url='https://github.com/hungrybirder/pysmhasher.git',
      description='Python Extensions for SMHasher',
      long_description=long_description,
      keywords='hash hashing smhasher',
      license='MIT',
      ext_modules=[pysmhasher_ext],
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Build Tools',
          'License :: OSI Approved :: MIT License',
  
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Programming Language :: Python :: 3.9',
      ],
  )
  
subject: fix setup.py