/usr/lib/python2.7/dist-packages/smartcard/ExclusiveTransmitCardConnection.py is in python-pyscard 1.6.12.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/smartcard/../../../../share/pyshared/smartcard/ExclusiveTransmitCardConnection.py