Moved new Cython code to the right setup file. The new scattnlay.pyx is not compiling for me.

setup.py

@@ -36,31 +36,26 @@ from distutils.core import setup
 from distutils.extension import Extension
 import numpy as np
 
-# setup(name = __mod__,
-#       version = __version__,
-#       description = __title__,
-#       long_description="""The Python version of scattnlay, a computer implementation of the algorithm for the calculation of electromagnetic \
-# radiation scattering by a multilayered sphere developed by Yang. It has been shown that the program is effective, \
-# resulting in very accurate values of scattering efficiencies for a wide range of size parameters, which is a \
-# considerable improvement over previous implementations of similar algorithms. For details see: \
-# O. Pena, U. Pal, Comput. Phys. Commun. 180 (2009) 2348-2354.""",
-#       author = __author__,
-#       author_email = __email__,
-#       maintainer = __author__,
-#       maintainer_email = __email__,
-#       keywords = ['Mie scattering', 'Multilayered sphere', 'Efficiency factors', 'Cross-sections'],
-#       url = __url__,
-#       license = 'GPL',
-#       platforms = 'any',
-#       ext_modules = [Extension("scattnlay", ["nmie.cc", "nmie-wrapper.cc", "py_nmie.cc", "scattnlay.cc"], language = "c++", include_dirs = [np.get_include()])], 
-#       extra_compile_args=['-std=c++11']
-# )
+setup(name = __mod__,
+      version = __version__,
+      description = __title__,
+      long_description="""The Python version of scattnlay, a computer implementation of the algorithm for the calculation of electromagnetic \
+radiation scattering by a multilayered sphere developed by Yang. It has been shown that the program is effective, \
+resulting in very accurate values of scattering efficiencies for a wide range of size parameters, which is a \
+considerable improvement over previous implementations of similar algorithms. For details see: \
+O. Pena, U. Pal, Comput. Phys. Commun. 180 (2009) 2348-2354.""",
+      author = __author__,
+      author_email = __email__,
+      maintainer = __author__,
+      maintainer_email = __email__,
+      keywords = ['Mie scattering', 'Multilayered sphere', 'Efficiency factors', 'Cross-sections'],
+      url = __url__,
+      license = 'GPL',
+      platforms = 'any',
+      ext_modules = [Extension("scattnlay",
+                               ["nmie.cc", "nmie-wrapper.cc", "py_nmie.cc", "scattnlay.cc"],
+                               language = "c++",
+                               include_dirs = [np.get_include()])], 
+      extra_compile_args=['-std=c++11']
+)
 
-from distutils.core import setup
-from Cython.Build import cythonize
-setup(ext_modules = cythonize(
-           "scattnlay.pyx",                 # our Cython source
-           sources=["nmie-wrapper.cc"],  # additional source file(s)
-           language="c++",             # generate C++ code
-           extra_compile_args=['-std=c++11'],
-      ))

setup_cython.py

@@ -34,7 +34,7 @@ __url__ = 'http://scattering.sourceforge.net/'
 
 from distutils.core import setup
 from distutils.extension import Extension
-from Cython.Distutils import build_ext
+from Cython.Build import cythonize
 import numpy as np
 
 setup(name = __mod__,
@@ -53,7 +53,10 @@ O. Pena, U. Pal, Comput. Phys. Commun. 180 (2009) 2348-2354.""",
       url = __url__,
       license = 'GPL',
       platforms = 'any',
-      cmdclass = {'build_ext': build_ext},
-      ext_modules = [Extension("scattnlay", ["nmie.cc", "py_nmie.cc", "scattnlay.pyx"], language = "c++", include_dirs = [np.get_include()])]
+      ext_modules = cythonize("scattnlay.pyx",                       # our Cython source
+                              sources = ["nmie-wrapper.cc"],         # additional source file(s)
+                              language = "c++",                      # generate C++ code
+                              extra_compile_args = ['-std=c++11'],
+      )
 )