/usr/lib/python3/dist-packages/lesscpy/plib/ is in python3-lesscpy 0.10-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/lesscpy/plib/__init__.py
/usr/lib/python3/dist-packages/lesscpy/plib/block.py
/usr/lib/python3/dist-packages/lesscpy/plib/call.py
/usr/lib/python3/dist-packages/lesscpy/plib/deferred.py
/usr/lib/python3/dist-packages/lesscpy/plib/expression.py
/usr/lib/python3/dist-packages/lesscpy/plib/identifier.py
/usr/lib/python3/dist-packages/lesscpy/plib/mixin.py
/usr/lib/python3/dist-packages/lesscpy/plib/node.py
/usr/lib/python3/dist-packages/lesscpy/plib/property.py
/usr/lib/python3/dist-packages/lesscpy/plib/statement.py
/usr/lib/python3/dist-packages/lesscpy/plib/variable.py