/usr/include/python2.7/pysparse/ is in python-sparse 1.1-1.2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/python2.7/pysparse/bicgstab.h
/usr/include/python2.7/pysparse/blas.h
/usr/include/python2.7/pysparse/cgs.h
/usr/include/python2.7/pysparse/csr_mat.h
/usr/include/python2.7/pysparse/dsp_defs.h
/usr/include/python2.7/pysparse/fortran.h
/usr/include/python2.7/pysparse/gmres.h
/usr/include/python2.7/pysparse/lapack.h
/usr/include/python2.7/pysparse/ll_mat.h
/usr/include/python2.7/pysparse/minres.h
/usr/include/python2.7/pysparse/mmio.h
/usr/include/python2.7/pysparse/pcg.h
/usr/include/python2.7/pysparse/qmrs.h
/usr/include/python2.7/pysparse/spmatrix.h
/usr/include/python2.7/pysparse/spmatrix_api.h
/usr/include/python2.7/pysparse/sss_mat.h
/usr/include/python2.7/pysparse/util.h