Try to install cyvcf but get an error message for missing cyvcf/parser.c

[XingGemini]

I:cyvcf xing$ python setup.py build
running build
running build_py
running build_ext
building 'cyvcf.parser' extension
cc -fno-strict-aliasing -fno-common -dynamic -arch i386 -arch x86_64 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch x86_64 -pipe -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c cyvcf/parser.c -o build/temp.macosx-10.11-intel-2.7/cyvcf/parser.o
clang: error: no such file or directory: 'cyvcf/parser.c'
clang: error: no input files
error: command 'cc' failed with exit status 1