old_contents: from setuptools import setup, Extension
  import os
  
  # look for environment variable that specifies path to SCIP Opt lib and headers
  scipoptdir = os.environ.get('SCIPOPTDIR', '')
  
  includedir = os.path.join(scipoptdir, 'include')
  libdir = os.path.join(scipoptdir, 'lib')
  
  libname = 'libscipopt' if os.name == 'nt' else 'scipopt'
  
  cythonize = True
  
  try:
      from Cython.Distutils import build_ext
      from Cython.Build import cythonize
  except ImportError:
      cythonize = False
  
  if not os.path.exists(os.path.join('pyscipopt', 'scip.pyx')):
      cythonize = False
  
  extensions = []
  ext = '.pyx' if cythonize else '.c'
  
  extensions = [Extension('pyscipopt.scip', [os.path.join('pyscipopt', 'scip'+ext)],
                            include_dirs=[includedir],
                            library_dirs=[libdir],
                            libraries=[libname])]
  
  if cythonize:
      extensions = cythonize(extensions)
  
  setup(
      name = 'PySCIPOpt',
      version = '1.0',
      description = 'Python interface and modeling environment for SCIP',
      url = 'https://github.com/SCIP-Interfaces/PySCIPOpt'
      author = 'Zuse Institute Berlin',
      author_email = 'scip@zib.de',
      license = 'MIT',
      ext_modules = extensions,
      packages=['pyscipopt']
  )
  
new_contents: from setuptools import setup, Extension
  import os
  
  # look for environment variable that specifies path to SCIP Opt lib and headers
  scipoptdir = os.environ.get('SCIPOPTDIR', '')
  
  includedir = os.path.join(scipoptdir, 'include')
  libdir = os.path.join(scipoptdir, 'lib')
  
  libname = 'libscipopt' if os.name == 'nt' else 'scipopt'
  
  cythonize = True
  
  try:
      from Cython.Distutils import build_ext
      from Cython.Build import cythonize
  except ImportError:
      cythonize = False
  
  if not os.path.exists(os.path.join('pyscipopt', 'scip.pyx')):
      cythonize = False
  
  extensions = []
  ext = '.pyx' if cythonize else '.c'
  
  extensions = [Extension('pyscipopt.scip', [os.path.join('pyscipopt', 'scip'+ext)],
                            include_dirs=[includedir],
                            library_dirs=[libdir],
                            libraries=[libname])]
  
  if cythonize:
      extensions = cythonize(extensions)
  
  setup(
      name = 'PySCIPOpt',
      version = '1.0',
      description = 'Python interface and modeling environment for SCIP',
      url = 'https://github.com/SCIP-Interfaces/PySCIPOpt',
      author = 'Zuse Institute Berlin',
      author_email = 'scip@zib.de',
      license = 'MIT',
      ext_modules = extensions,
      packages = ['pyscipopt']
  )
  
subject: fix typo