/usr/lib/python2.7/dist-packages/trytond/modules/purchase_invoice_line_standalone/view/invoice_line_tree_invoice_type.xml is in tryton-modules-purchase-invoice-line-standalone 3.0.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/trytond/modules/purchase_invoice_line_standalone/view/../../../../../../../share/pyshared/trytond/modules/purchase_invoice_line_standalone/view/invoice_line_tree_invoice_type.xml