/usr/lib/pyshared/python2.7/PyTango/_PyTango.so is in python-pytango 7.2.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pyshared/python2.7/PyTango/../../../python2.7/dist-packages/PyTango/_PyTango.so