old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  import os
  import sys
  from setuptools import Extension
  
  import numpy
  
  SRCDIR = os.path.join(os.path.relpath(os.path.dirname(__file__)), 'src')
  
  SRCFILES = ['wirth_select.c', 'compute_bounds.c', 'fast_sigma_clip.c']
  
  SRCFILES = [os.path.join(SRCDIR, srcfile) for srcfile in SRCFILES]
  
  def get_extensions():
      _sigma_clip_ext = Extension(name='astropy.stats._fast_sigma_clip', sources=SRCFILES,
                                  include_dirs=[numpy.get_include()],
                                  language='c')
  
      return [_sigma_clip_ext]
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  import os
  from setuptools import Extension
  
  import numpy
  
  SRCDIR = os.path.join(os.path.relpath(os.path.dirname(__file__)), 'src')
  
  SRCFILES = ['wirth_select.c', 'compute_bounds.c', 'fast_sigma_clip.c']
  
  SRCFILES = [os.path.join(SRCDIR, srcfile) for srcfile in SRCFILES]
  
  
  def get_extensions():
      _sigma_clip_ext = Extension(name='astropy.stats._fast_sigma_clip', sources=SRCFILES,
                                  include_dirs=[numpy.get_include()],
                                  language='c')
  
      return [_sigma_clip_ext]
  
subject: Fix code style in setup_package.py