cythonization_error_sklearn

 python3 setup.py build_ext
setup.py build_ext
/netapp/home/dlituiev/.usr/py3/lib/
Partial import of sklearn during the build process.
Generating cython files
Cythonizing sources
sklearn
Processing sklearn/_isotonic.pyx
Traceback (most recent call last):
  File "/usr/bin/cython", line 7, in <module>
    from Cython.Compiler.Main import main
  File "/netapp/home/dlituiev/.usr/py3/lib/Cython-0.23.4-py3.3-linux-x86_64.egg/Cython/Compiler/Main.py", line 28, in <module>
    from .Scanning import PyrexScanner, FileSourceDescriptor
  File "/netapp/home/dlituiev/.usr/py3/lib/Cython-0.23.4-py3.3-linux-x86_64.egg/Cython/Compiler/Scanning.py", line 7, in <module>
    __bootstrap__()
  File "/netapp/home/dlituiev/.usr/py3/lib/Cython-0.23.4-py3.3-linux-x86_64.egg/Cython/Compiler/Scanning.py", line 6, in __bootstrap__
    imp.load_dynamic(__name__,__file__)
ImportError: dynamic module does not define init function (initScanning)
Traceback (most recent call last):
  File "/ye/netapp/jimmie.ye/tools/scikit-learn/build_tools/cythonize.py", line 198, in <module>
    main(root_dir_arg)
  File "/ye/netapp/jimmie.ye/tools/scikit-learn/build_tools/cythonize.py", line 190, in main
    check_and_cythonize(root_dir)
  File "/ye/netapp/jimmie.ye/tools/scikit-learn/build_tools/cythonize.py", line 182, in check_and_cythonize
    cythonize_if_unchanged(cur_dir, cython_file, gen_file, hashes)
  File "/ye/netapp/jimmie.ye/tools/scikit-learn/build_tools/cythonize.py", line 156, in cythonize_if_unchanged
    cythonize(full_cython_path, full_gen_file_path)
  File "/ye/netapp/jimmie.ye/tools/scikit-learn/build_tools/cythonize.py", line 75, in cythonize
    raise Exception('Cythonizing %s failed' % cython_file)
Exception: Cythonizing sklearn/_isotonic.pyx failed
Traceback (most recent call last):
  File "setup.py", line 297, in <module>
    setup_package()
  File "setup.py", line 280, in setup_package
    generate_cython()
  File "setup.py", line 185, in generate_cython
    raise RuntimeError("Running cythonize failed!")
RuntimeError: Running cythonize failed!