/usr/lib/pyshared/python2.7/HTSeq/_HTSeq.so is in python-htseq 0.5.4p3-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pyshared/python2.7/HTSeq/../../../python2.7/dist-packages/HTSeq/_HTSeq.so