/usr/ is in postgresql-9.5-partman 2.2.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/postgresql/9.5/bin/
/usr/lib/
/usr/lib/postgresql/
/usr/lib/postgresql/9.5/
/usr/lib/postgresql/9.5/lib/
/usr/lib/postgresql/9.5/lib/pg_partman_bgw.so
/usr/lib/postgresql/9.5/bin/reapply_constraints.py
/usr/lib/postgresql/9.5/bin/undo_partition.py
/usr/lib/postgresql/9.5/bin/partition_data.py
/usr/lib/postgresql/9.5/bin/dump_partition.py
/usr/lib/postgresql/9.5/bin/reapply_indexes.py
/usr/lib/postgresql/9.5/bin/check_unique_constraint.py
/usr/lib/postgresql/9.5/bin/reapply_foreign_keys.py
/usr/share/
/usr/share/doc/
/usr/share/doc/postgresql-9.5-partman/
/usr/share/doc/postgresql-9.5-partman/copyright
/usr/share/doc/postgresql-9.5-partman/README.md.gz
/usr/share/doc/postgresql-9.5-partman/changelog.Debian.gz
/usr/share/doc/postgresql-9.5-partman/pg_partman_howto.md.gz
/usr/share/doc/postgresql-9.5-partman/pg_partman.md.gz
/usr/share/postgresql/
/usr/share/postgresql/9.5/
/usr/share/postgresql/9.5/extension/
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/usr/share/postgresql/9.5/extension/pg_partman--1.6.1--1.7.0.sql
/usr/share/postgresql/9.5/extension/pg_partman--1.8.3--1.8.4.sql
/usr/share/postgresql/9.5/extension/pg_partman--1.8.1--1.8.2.sql
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/usr/share/postgresql/9.5/extension/pg_partman--1.0.0--1.1.0.sql
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