old_contents: #!/usr/bin/env python
  # Created by Pearu Peterson, August 2002
  
  import os
  import sys
  join = os.path.join
  
  def configuration(parent_package='',top_path=None):
      from numpy.distutils.misc_util import Configuration
      from numpy.distutils.system_info import get_info,FFTWNotFoundError,\
           DJBFFTNotFoundError
      config = Configuration('fftpack',parent_package, top_path)
      fft_opt_info = get_info('fft_opt')
  
      config.add_data_dir('tests')
  
      config.add_library('dfftpack',
                         sources=[join('dfftpack','*.f')])
  
      sources = ['fftpack.pyf','src/zfft.c','src/drfft.c','src/zrfft.c',
                 'src/zfftnd.c']
  
      config.add_extension('_fftpack',
                           sources=sources,
                           libraries=['dfftpack'],
                           extra_info = fft_opt_info
                           )
  
      config.add_extension('convolve',
                           sources = ['convolve.pyf','src/convolve.c'],
                           libraries = ['dfftpack'],
                           extra_info = fft_opt_info
                           )
      return config
  
  if __name__ == '__main__':
      from numpy.distutils.core import setup
      from fftpack_version import fftpack_version
      setup(version=fftpack_version,
            description='fftpack - Discrete Fourier Transform package',
            author='Pearu Peterson',
            author_email = 'pearu@cens.ioc.ee',
            maintainer_email = 'scipy-dev@scipy.org',
            license = 'SciPy License (BSD Style)',
            **configuration(top_path='').todict())
  
new_contents: #!/usr/bin/env python
  # Created by Pearu Peterson, August 2002
  
  import os
  join = os.path.join
  
  def configuration(parent_package='',top_path=None):
      from numpy.distutils.misc_util import Configuration
      from numpy.distutils.system_info import get_info,FFTWNotFoundError,\
           DJBFFTNotFoundError
      config = Configuration('fftpack',parent_package, top_path)
      fft_opt_info = get_info('fft_opt')
  
      config.add_data_dir('tests')
  
      config.add_library('dfftpack',
                         sources=[join('dfftpack','*.f')])
  
      sources = ['fftpack.pyf','src/zfft.c','src/drfft.c','src/zrfft.c',
                 'src/zfftnd.c']
  
      config.add_extension('_fftpack',
                           sources=sources,
                           libraries=['dfftpack'],
                           extra_info = fft_opt_info
                           )
  
      config.add_extension('convolve',
                           sources = ['convolve.pyf','src/convolve.c'],
                           libraries = ['dfftpack'],
                           extra_info = fft_opt_info
                           )
      return config
  
  if __name__ == '__main__':
      from numpy.distutils.core import setup
      from fftpack_version import fftpack_version
      setup(version=fftpack_version,
            description='fftpack - Discrete Fourier Transform package',
            author='Pearu Peterson',
            author_email = 'pearu@cens.ioc.ee',
            maintainer_email = 'scipy-dev@scipy.org',
            license = 'SciPy License (BSD Style)',
            **configuration(top_path='').todict())
  
subject: remove unused import