/usr/share/pyshared/pyface/tasks/ is in python-pyface 4.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pyface/tasks/__init__.py
/usr/share/pyshared/pyface/tasks/action/
/usr/share/pyshared/pyface/tasks/action/__init__.py
/usr/share/pyshared/pyface/tasks/action/api.py
/usr/share/pyshared/pyface/tasks/action/dock_pane_toggle_group.py
/usr/share/pyshared/pyface/tasks/action/listening_action.py
/usr/share/pyshared/pyface/tasks/action/schema.py
/usr/share/pyshared/pyface/tasks/action/schema_addition.py
/usr/share/pyshared/pyface/tasks/action/task_action.py
/usr/share/pyshared/pyface/tasks/action/task_action_controller.py
/usr/share/pyshared/pyface/tasks/action/task_action_manager_builder.py
/usr/share/pyshared/pyface/tasks/action/task_toggle_group.py
/usr/share/pyshared/pyface/tasks/advanced_editor_area_pane.py
/usr/share/pyshared/pyface/tasks/api.py
/usr/share/pyshared/pyface/tasks/contrib/
/usr/share/pyshared/pyface/tasks/contrib/__init__.py
/usr/share/pyshared/pyface/tasks/contrib/python_shell.py
/usr/share/pyshared/pyface/tasks/dock_pane.py
/usr/share/pyshared/pyface/tasks/editor.py
/usr/share/pyshared/pyface/tasks/editor_area_pane.py
/usr/share/pyshared/pyface/tasks/i_advanced_editor_area_pane.py
/usr/share/pyshared/pyface/tasks/i_dock_pane.py
/usr/share/pyshared/pyface/tasks/i_editor.py
/usr/share/pyshared/pyface/tasks/i_editor_area_pane.py
/usr/share/pyshared/pyface/tasks/i_task_pane.py
/usr/share/pyshared/pyface/tasks/i_task_window_backend.py
/usr/share/pyshared/pyface/tasks/task.py
/usr/share/pyshared/pyface/tasks/task_layout.py
/usr/share/pyshared/pyface/tasks/task_pane.py
/usr/share/pyshared/pyface/tasks/task_window.py
/usr/share/pyshared/pyface/tasks/task_window_backend.py
/usr/share/pyshared/pyface/tasks/task_window_layout.py
/usr/share/pyshared/pyface/tasks/topological_sort.py
/usr/share/pyshared/pyface/tasks/traits_dock_pane.py
/usr/share/pyshared/pyface/tasks/traits_editor.py
/usr/share/pyshared/pyface/tasks/traits_task_pane.py