old_contents: from __future__ import division, print_function
  
  import os
  import sys
  
  def configuration(parent_package='',top_path=None):
      from numpy.distutils.misc_util import Configuration
      from numpy.distutils.system_info import get_info
      config = Configuration('linalg', parent_package, top_path)
  
      config.add_data_dir('tests')
  
      # Configure lapack_lite
  
      src_dir = 'lapack_lite'
      lapack_lite_src = [
          os.path.join(src_dir, 'python_xerbla.c'),
          os.path.join(src_dir, 'zlapack_lite.c'),
          os.path.join(src_dir, 'dlapack_lite.c'),
          os.path.join(src_dir, 'blas_lite.c'),
          os.path.join(src_dir, 'dlamch.c'),
          os.path.join(src_dir, 'f2c_lite.c'),
      ]
      all_sources = config.paths(lapack_lite_src)
  
      lapack_info = get_info('lapack_opt', 0) # and {}
      def get_lapack_lite_sources(ext, build_dir):
          if not lapack_info:
              print("### Warning:  Using unoptimized lapack ###")
              return all_sources
          else:
              if sys.platform=='win32':
                  print("### Warning:  python_xerbla.c is disabled ###")
                  return []
              return [all_sources[0]]
  
      config.add_extension('lapack_lite',
                           sources = ['lapack_litemodule.c', get_lapack_lite_sources],
                           depends = ['lapack_lite/f2c.h'],
                           extra_info = lapack_info
                           )
  
      # umath_linalg module
  
      config.add_extension('_umath_linalg',
                           sources = ['umath_linalg.c.src', get_lapack_lite_sources],
                           depends = ['lapack_lite/f2c.h'],
                           extra_info = lapack_info,
                           libraries = ['npymath'],
                           )
  
      return config
  
  if __name__ == '__main__':
      from numpy.distutils.core import setup
      setup(configuration=configuration)
  
new_contents: from __future__ import division, print_function
  
  import os
  import sys
  
  def configuration(parent_package='', top_path=None):
      from numpy.distutils.misc_util import Configuration
      from numpy.distutils.system_info import get_info
      config = Configuration('linalg', parent_package, top_path)
  
      config.add_data_dir('tests')
  
      # Configure lapack_lite
  
      src_dir = 'lapack_lite'
      lapack_lite_src = [
          os.path.join(src_dir, 'python_xerbla.c'),
          os.path.join(src_dir, 'zlapack_lite.c'),
          os.path.join(src_dir, 'dlapack_lite.c'),
          os.path.join(src_dir, 'blas_lite.c'),
          os.path.join(src_dir, 'dlamch.c'),
          os.path.join(src_dir, 'f2c_lite.c'),
      ]
      all_sources = config.paths(lapack_lite_src)
  
      lapack_info = get_info('lapack_opt', 0)  # and {}
  
      def get_lapack_lite_sources(ext, build_dir):
          if not lapack_info:
              print("### Warning:  Using unoptimized lapack ###")
              return all_sources
          else:
              if sys.platform == 'win32':
                  print("### Warning:  python_xerbla.c is disabled ###")
                  return []
              return [all_sources[0]]
  
      config.add_extension(
          'lapack_lite',
          sources=['lapack_litemodule.c', get_lapack_lite_sources],
          depends=['lapack_lite/f2c.h'],
          extra_info=lapack_info,
      )
  
      # umath_linalg module
      config.add_extension(
          '_umath_linalg',
          sources=['umath_linalg.c.src', get_lapack_lite_sources],
          depends=['lapack_lite/f2c.h'],
          extra_info=lapack_info,
          libraries=['npymath'],
      )
      return config
  
  if __name__ == '__main__':
      from numpy.distutils.core import setup
      setup(configuration=configuration)
  
subject: Make numpy/linalg/setup.py PEP8 compliant