/usr/share/pyshared/statsmodels/sandbox/tsa/ is in python-statsmodels 0.4.2-1.2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/statsmodels/sandbox/tsa/__init__.py
/usr/share/pyshared/statsmodels/sandbox/tsa/diffusion.py
/usr/share/pyshared/statsmodels/sandbox/tsa/diffusion2.py
/usr/share/pyshared/statsmodels/sandbox/tsa/example_arma.py
/usr/share/pyshared/statsmodels/sandbox/tsa/fftarma.py
/usr/share/pyshared/statsmodels/sandbox/tsa/garch.py
/usr/share/pyshared/statsmodels/sandbox/tsa/movstat.py
/usr/share/pyshared/statsmodels/sandbox/tsa/try_arma_more.py
/usr/share/pyshared/statsmodels/sandbox/tsa/try_fi.py
/usr/share/pyshared/statsmodels/sandbox/tsa/try_var_convolve.py
/usr/share/pyshared/statsmodels/sandbox/tsa/varma.py