/usr/share/perl5/Tangram/Expr/ is in libtangram-perl 2.12-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Tangram/Expr/Coll/
/usr/share/perl5/Tangram/Expr/Coll.pm
/usr/share/perl5/Tangram/Expr/Coll/FromMany.pm
/usr/share/perl5/Tangram/Expr/Coll/FromOne.pm
/usr/share/perl5/Tangram/Expr/CursorObject.pm
/usr/share/perl5/Tangram/Expr/Filter.pm
/usr/share/perl5/Tangram/Expr/FlatArray.pm
/usr/share/perl5/Tangram/Expr/FlatHash.pm
/usr/share/perl5/Tangram/Expr/LinkTable.pm
/usr/share/perl5/Tangram/Expr/QueryObject.pm
/usr/share/perl5/Tangram/Expr/RDBObject.pm
/usr/share/perl5/Tangram/Expr/Select.pm
/usr/share/perl5/Tangram/Expr/Table.pm
/usr/share/perl5/Tangram/Expr/TableAlias.pm