/usr/lib/python3/dist-packages/ginga/canvas/ is in python3-ginga 2.6.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/ginga/canvas/CanvasMixin.py
/usr/lib/python3/dist-packages/ginga/canvas/CanvasObject.py
/usr/lib/python3/dist-packages/ginga/canvas/CompoundMixin.py
/usr/lib/python3/dist-packages/ginga/canvas/DrawingMixin.py
/usr/lib/python3/dist-packages/ginga/canvas/__init__.py
/usr/lib/python3/dist-packages/ginga/canvas/coordmap.py
/usr/lib/python3/dist-packages/ginga/canvas/mixins.py
/usr/lib/python3/dist-packages/ginga/canvas/transform.py
/usr/lib/python3/dist-packages/ginga/canvas/types/
/usr/lib/python3/dist-packages/ginga/canvas/types/__init__.py
/usr/lib/python3/dist-packages/ginga/canvas/types/all.py
/usr/lib/python3/dist-packages/ginga/canvas/types/astro.py
/usr/lib/python3/dist-packages/ginga/canvas/types/basic.py
/usr/lib/python3/dist-packages/ginga/canvas/types/image.py
/usr/lib/python3/dist-packages/ginga/canvas/types/layer.py
/usr/lib/python3/dist-packages/ginga/canvas/types/mixins.py
/usr/lib/python3/dist-packages/ginga/canvas/types/utils.py