/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/ is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/AdvancedAlignmentScanPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/AlignmentScanPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/BackgroundScanPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/BackgroundStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/CalculationThread.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/ExternalImagesStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/FastXRFLinearFitStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/FitStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/ImageAlignmentStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MathPlugins.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MedianFilterScanDeglitchPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MedianFilterScanPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MedianFilterStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MotorInfoPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MotorInfoWindow.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MultipleScanToMeshPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/NNMAStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/NormalizationPlugins.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/PCAStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/Plugin1DBase.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/ROIStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/RegularMeshPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/ReverseStackPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/StackAxesPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/StackBrowserPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/StackNormalizationPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/StackPluginBase.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/StackScanWindowPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/XASScanNormalizationPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/XASSelfAttenuationPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/XASStackNormalizationPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/XMCDPlugin.py
/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/__init__.py