/usr/share/pyshared/pymc/gp/ is in python-pymc 2.2+ds-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pymc/gp/BasisCovariance.py
/usr/share/pyshared/pymc/gp/Covariance.py
/usr/share/pyshared/pymc/gp/FullRankCovariance.py
/usr/share/pyshared/pymc/gp/GPutils.py
/usr/share/pyshared/pymc/gp/Mean.py
/usr/share/pyshared/pymc/gp/NearlyFullRankCovariance.py
/usr/share/pyshared/pymc/gp/Realization.py
/usr/share/pyshared/pymc/gp/__init__.py
/usr/share/pyshared/pymc/gp/cov_funs/
/usr/share/pyshared/pymc/gp/cov_funs/__init__.py
/usr/share/pyshared/pymc/gp/cov_funs/bases.py
/usr/share/pyshared/pymc/gp/cov_funs/brownian.py
/usr/share/pyshared/pymc/gp/cov_funs/cov_utils.py
/usr/share/pyshared/pymc/gp/cov_funs/nsmatern.py
/usr/share/pyshared/pymc/gp/cov_funs/wrapped_distances.py
/usr/share/pyshared/pymc/gp/gp_submodel.py
/usr/share/pyshared/pymc/gp/gpplots.py
/usr/share/pyshared/pymc/gp/step_methods.py