/usr/share/pyshared/scipy/signal/ is in python-scipy 0.9.0+dfsg1-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/scipy/signal/__init__.py
/usr/share/pyshared/scipy/signal/bsplines.py
/usr/share/pyshared/scipy/signal/filter_design.py
/usr/share/pyshared/scipy/signal/fir_filter_design.py
/usr/share/pyshared/scipy/signal/info.py
/usr/share/pyshared/scipy/signal/ltisys.py
/usr/share/pyshared/scipy/signal/setup.py
/usr/share/pyshared/scipy/signal/setupscons.py
/usr/share/pyshared/scipy/signal/signaltools.py
/usr/share/pyshared/scipy/signal/tests/
/usr/share/pyshared/scipy/signal/tests/test_filter_design.py
/usr/share/pyshared/scipy/signal/tests/test_fir_filter_design.py
/usr/share/pyshared/scipy/signal/tests/test_ltisys.py
/usr/share/pyshared/scipy/signal/tests/test_signaltools.py
/usr/share/pyshared/scipy/signal/tests/test_waveforms.py
/usr/share/pyshared/scipy/signal/tests/test_wavelets.py
/usr/share/pyshared/scipy/signal/tests/test_windows.py
/usr/share/pyshared/scipy/signal/waveforms.py
/usr/share/pyshared/scipy/signal/wavelets.py
/usr/share/pyshared/scipy/signal/windows.py