old_contents: import os
  import sys
  
  # bdist_wheel requires setuptools
  import setuptools
  # use setup from numpy to build fortran codes
  from numpy.distutils.core import setup, Extension
  
  
  # Utility function to read the README file.
  # Used for the long_description.  It's nice, because now 1) we have a top level
  # README file and 2) it's easier to type in the README file than to put a raw
  # string in below ...
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  
  # Fortran extensions for extra speed (optional)
  ext_fstat = Extension(name="lifelines._utils._cindex",
                        sources=["lifelines/_utils/_cindex.f90"])
  exts = [ext_fstat]
  
  exec(compile(open('lifelines/version.py').read(),
                    'lifelines/version.py', 'exec'))
  
  done = False
  # First try to build with the extension. In case of failure, do without.
  for ext_modules in [exts, []]:
      if done:
          break
  
      try:
          setup(
              name="lifelines",
              version=__version__,
              author="Cameron Davidson-Pilon, Jonas Kalderstam",
              author_email="cam.davidson.pilon@gmail.com",
              description="Survival analysis in Python, including Kaplan Meier, Nelson Aalen and regression",
              license="MIT",
              keywords="survival analysis statistics data analysis",
              url="https://github.com/CamDavidsonPilon/lifelines",
              packages=['lifelines',
                        'lifelines.datasets',
                        'lifelines._utils',
                        'lifelines.tests'],
              long_description=read('README.txt'),
              classifiers=[
                  "Development Status :: 4 - Beta",
                  "License :: OSI Approved :: MIT License",
                  "Programming Language :: Python",
                  "Topic :: Scientific/Engineering",
                  ],
              install_requires=[
                  "numpy",
                  "scipy",
                  "pandas>=0.14",
              ],
              package_data={
                  "lifelines": [
                      "*.f90",
                      "../README.md",
                      "../README.txt",
                      "../LICENSE",
                      "../MANIFEST.in",
                      "../*.ipynb",
                      "datasets/*",
                  ]
              },
              ext_modules=ext_modules
          )
          done = True
      except:
          print("Failed to build. Trying again without native extensions.")
  
new_contents: import os
  import sys
  
  from distutils.core import setup
  
  
  # Utility function to read the README file.
  # Used for the long_description.  It's nice, because now 1) we have a top level
  # README file and 2) it's easier to type in the README file than to put a raw
  # string in below ...
  def read(fname):
      return open(os.path.join(os.path.dirname(__file__), fname)).read()
  
  exec(compile(open('lifelines/version.py').read(),
                    'lifelines/version.py', 'exec'))
  
  setup(
      name="lifelines",
      version=__version__,
      author="Cameron Davidson-Pilon, Jonas Kalderstam",
      author_email="cam.davidson.pilon@gmail.com",
      description="Survival analysis in Python, including Kaplan Meier, Nelson Aalen and regression",
      license="MIT",
      keywords="survival analysis statistics data analysis",
      url="https://github.com/CamDavidsonPilon/lifelines",
      packages=['lifelines',
                'lifelines.datasets',
                'lifelines.tests'],
      long_description=read('README.txt'),
      classifiers=[
          "Development Status :: 4 - Beta",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python",
          "Topic :: Scientific/Engineering",
          ],
      requires=[
          "numpy",
          "scipy",
          "pandas(>=0.14)",
      ],
      package_data={
          "lifelines": [
              "../README.md",
              "../README.txt",
              "../LICENSE",
              "../MANIFEST.in",
              "../*.ipynb",
              "datasets/*",
          ]
      },
  )
  
subject: Simplify setup.py