Merge pull request #161 from GreenTeaHua/patch-1

Update build.py

model/utils/nms/build.py

 from distutils.core import setup
 from distutils.extension import Extension
 from Cython.Distutils import build_ext
-
-ext_modules = [Extension("_nms_gpu_post", ["_nms_gpu_post.pyx"])]
+import numpy
+#ext_modules = [Extension("_nms_gpu_post", ["_nms_gpu_post.pyx"])]
+ext_modules = [Extension("_nms_gpu_post", ["_nms_gpu_post.pyx"],
+ include_dirs=[numpy.get_include()])]
 setup(
-    name="Hello pyx",
+    name="nms pyx",
     cmdclass={'build_ext': build_ext},
     ext_modules=ext_modules
 )