old_contents: import os
  
  import numpy
  from numpy.distutils.misc_util import Configuration
  
  
  def configuration(parent_package="", top_path=None):
      config = Configuration("metrics/cluster", parent_package, top_path)
      libraries = []
      if os.name == 'posix':
          libraries.append('m')
      config.add_extension("expected_mutual_info_fast",
                           sources=["expected_mutual_info_fast.pyx"],
                           include_dirs=[numpy.get_include()],
                           libraries=libraries)
  
      config.add_subpackage("tests")
  
      return config
  
  if __name__ == "__main__":
      from numpy.distutils.core import setup
      setup(**configuration().todict())
  
new_contents: import os
  
  import numpy
  from numpy.distutils.misc_util import Configuration
  
  
  def configuration(parent_package="", top_path=None):
      config = Configuration("metrics.cluster", parent_package, top_path)
      libraries = []
      if os.name == 'posix':
          libraries.append('m')
      config.add_extension("expected_mutual_info_fast",
                           sources=["expected_mutual_info_fast.pyx"],
                           include_dirs=[numpy.get_include()],
                           libraries=libraries)
  
      config.add_subpackage("tests")
  
      return config
  
  if __name__ == "__main__":
      from numpy.distutils.core import setup
      setup(**configuration().todict())
  
subject: FIX cython cluster module name error (#10343)