/usr/lib/python2.7/dist-packages/Cython/Utility/ is in cython 0.21.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/Cython/Utility/Buffer.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Builtins.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Capsule.c
/usr/lib/python2.7/dist-packages/Cython/Utility/CommonTypes.c
/usr/lib/python2.7/dist-packages/Cython/Utility/CppConvert.pyx
/usr/lib/python2.7/dist-packages/Cython/Utility/CppSupport.cpp
/usr/lib/python2.7/dist-packages/Cython/Utility/CythonFunction.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Embed.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Exceptions.c
/usr/lib/python2.7/dist-packages/Cython/Utility/ExtensionTypes.c
/usr/lib/python2.7/dist-packages/Cython/Utility/FunctionArguments.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Generator.c
/usr/lib/python2.7/dist-packages/Cython/Utility/ImportExport.c
/usr/lib/python2.7/dist-packages/Cython/Utility/MemoryView.pyx
/usr/lib/python2.7/dist-packages/Cython/Utility/MemoryView_C.c
/usr/lib/python2.7/dist-packages/Cython/Utility/ModuleSetupCode.c
/usr/lib/python2.7/dist-packages/Cython/Utility/ObjectHandling.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Optimize.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Overflow.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Printing.c
/usr/lib/python2.7/dist-packages/Cython/Utility/Profile.c
/usr/lib/python2.7/dist-packages/Cython/Utility/StringTools.c
/usr/lib/python2.7/dist-packages/Cython/Utility/TestCyUtilityLoader.pyx
/usr/lib/python2.7/dist-packages/Cython/Utility/TestCythonScope.pyx
/usr/lib/python2.7/dist-packages/Cython/Utility/TestUtilityLoader.c
/usr/lib/python2.7/dist-packages/Cython/Utility/TypeConversion.c
/usr/lib/python2.7/dist-packages/Cython/Utility/__init__.py
/usr/lib/python2.7/dist-packages/Cython/Utility/arrayarray.h