/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/ is in python-pyqtgraph 0.10.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/Canvas.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/CanvasItem.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/CanvasManager.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/CanvasTemplate_pyqt.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/CanvasTemplate_pyqt5.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/CanvasTemplate_pyside.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/TransformGuiTemplate_pyqt.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/TransformGuiTemplate_pyqt5.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/TransformGuiTemplate_pyside.py
/usr/lib/python2.7/dist-packages/pyqtgraph/canvas/__init__.py