old_contents: #!/usr/bin/env python
  
  import os
  import sys
  from setuptools import setup, Extension, find_packages
  
  is_windows = os.name == "nt"
  
  lib = ["libkytea"] if is_windows else ["kytea"]
  
  include_dirs = ["lib/kytea", "include"]
  library_dirs = ["lib/kytea"]
  
  kytea_dir = os.environ.get("KYTEA_DIR")
  if kytea_dir:
      include_dirs.append(os.path.join(kytea_dir, "include"))
      library_dirs.append(os.path.join(kytea_dir, "lib"))
  
  ext_module = Extension(
      "_Mykytea",
      sources=["lib/kytea/mykytea_wrap.cxx", "lib/kytea/mykytea.cpp"],
      library_dirs=library_dirs,
      libraries=lib,
      include_dirs=include_dirs,
  )
  
  libdir = "lib/kytea"
  sys.path.append("./lib/kytea")
  sys.path.append("./lib/test")
  
  setup_args = dict(
      ext_modules = [ext_module],
      packages = find_packages(libdir),
      packages=find_packages(libdir),
      package_dir={"": libdir},
      py_modules=["Mykytea"],
      test_suite="mykytea_test.suite",
  )
  
  setup(**setup_args)
  
new_contents: #!/usr/bin/env python
  
  import os
  import sys
  from setuptools import setup, Extension, find_packages
  
  is_windows = os.name == "nt"
  
  lib = ["libkytea"] if is_windows else ["kytea"]
  
  include_dirs = ["lib/kytea", "include"]
  library_dirs = ["lib/kytea"]
  
  kytea_dir = os.environ.get("KYTEA_DIR")
  if kytea_dir:
      include_dirs.append(os.path.join(kytea_dir, "include"))
      library_dirs.append(os.path.join(kytea_dir, "lib"))
  
  ext_module = Extension(
      "_Mykytea",
      sources=["lib/kytea/mykytea_wrap.cxx", "lib/kytea/mykytea.cpp"],
      library_dirs=library_dirs,
      libraries=lib,
      include_dirs=include_dirs,
  )
  
  libdir = "lib/kytea"
  sys.path.append("./lib/kytea")
  sys.path.append("./lib/test")
  
  setup_args = dict(
      ext_modules=[ext_module],
      packages=find_packages(libdir),
      package_dir={"": libdir},
      py_modules=["Mykytea"],
      test_suite="mykytea_test.suite",
  )
  
  setup(**setup_args)
  
subject: Fix redundant key