/usr/lib/python2.7/dist-packages/BTrees/ is in python-zodb 1:3.9.7-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/BTrees/Development.txt
/usr/lib/python2.7/dist-packages/BTrees/IFBTree.py
/usr/lib/python2.7/dist-packages/BTrees/IIBTree.py
/usr/lib/python2.7/dist-packages/BTrees/IOBTree.py
/usr/lib/python2.7/dist-packages/BTrees/Interfaces.py
/usr/lib/python2.7/dist-packages/BTrees/LFBTree.py
/usr/lib/python2.7/dist-packages/BTrees/LLBTree.py
/usr/lib/python2.7/dist-packages/BTrees/LOBTree.py
/usr/lib/python2.7/dist-packages/BTrees/Length.py
/usr/lib/python2.7/dist-packages/BTrees/OIBTree.py
/usr/lib/python2.7/dist-packages/BTrees/OLBTree.py
/usr/lib/python2.7/dist-packages/BTrees/OOBTree.py
/usr/lib/python2.7/dist-packages/BTrees/_IFBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_IIBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_IOBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_LFBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_LLBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_LOBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_OIBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_OLBTree.so
/usr/lib/python2.7/dist-packages/BTrees/_OOBTree.so
/usr/lib/python2.7/dist-packages/BTrees/__init__.py
/usr/lib/python2.7/dist-packages/BTrees/_fsBTree.so
/usr/lib/python2.7/dist-packages/BTrees/check.py
/usr/lib/python2.7/dist-packages/BTrees/floatvaluemacros.h
/usr/lib/python2.7/dist-packages/BTrees/fsBTree.py
/usr/lib/python2.7/dist-packages/BTrees/intkeymacros.h
/usr/lib/python2.7/dist-packages/BTrees/intvaluemacros.h
/usr/lib/python2.7/dist-packages/BTrees/objectkeymacros.h
/usr/lib/python2.7/dist-packages/BTrees/objectvaluemacros.h
/usr/lib/python2.7/dist-packages/BTrees/py24compat.h
/usr/lib/python2.7/dist-packages/BTrees/tests/
/usr/lib/python2.7/dist-packages/BTrees/tests/__init__.py
/usr/lib/python2.7/dist-packages/BTrees/tests/testBTrees.py
/usr/lib/python2.7/dist-packages/BTrees/tests/testBTreesUnicode.py
/usr/lib/python2.7/dist-packages/BTrees/tests/testConflict.py
/usr/lib/python2.7/dist-packages/BTrees/tests/testLength.py
/usr/lib/python2.7/dist-packages/BTrees/tests/testSetOps.py
/usr/lib/python2.7/dist-packages/BTrees/tests/test_btreesubclass.py
/usr/lib/python2.7/dist-packages/BTrees/tests/test_check.py
/usr/lib/python2.7/dist-packages/BTrees/tests/test_compare.py