old_contents: '''Setup script for mtwaffle'''
  from setuptools import setup
  
  setup(
      name='mtwaffle',
      version='0.5',
      description='Magnetotelluric data analysis',
      long_description=open('README.md').read(),
      long_description_content_type='text/markdown',
      url='https://github.com/kinverarity1/mtwaffle',
      author='Kent Inverarity',
      author_email='kinverarity@hotmail.com',
      license='MIT',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Customer Service',
          'Intended Audience :: Developers',
          'Intended Audience :: Education',
          'Intended Audience :: End Users/Desktop',
          'Intended Audience :: Other Audience',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: MIT License',
          'Natural Language :: English',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Topic :: Scientific/Engineering',
          'Topic :: System :: Filesystems',
          'Topic :: Scientific/Engineering :: Information Analysis',
      ],
      keywords='science geophysics',
      packages=['mtwaffle', ],
      install_requires=['numpy', 'scipy', 'matplotlib', 'attrdict'],
  )
  
new_contents: '''Setup script for mtwaffle'''
  from setuptools import setup
  
  setup(
      name='mtwaffle',
      version='0.5',
      description='Magnetotelluric data analysis',
      long_description=open('README.md').read(),
      long_description_content_type='text/markdown',
      url='https://github.com/kinverarity1/mtwaffle',
      author='Kent Inverarity',
      author_email='kinverarity@hotmail.com',
      license='MIT',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Customer Service',
          'Intended Audience :: Developers',
          'Intended Audience :: Education',
          'Intended Audience :: End Users/Desktop',
          'Intended Audience :: Other Audience',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: MIT License',
          'Natural Language :: English',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Topic :: Scientific/Engineering',
          'Topic :: System :: Filesystems',
          'Topic :: Scientific/Engineering :: Information Analysis',
      ],
      keywords='science geophysics',
      packages=['mtwaffle', ],
      install_requires=['numpy', 'scipy', 'matplotlib', 'attrdict'],
  )
  
subject: update to include python 3