/usr/share/pyshared/trytond_calendar_scheduling-2.2.2.egg-info/requires.txt is in tryton-modules-calendar-scheduling 2.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | PyWebDAV >= 0.9.3
trytond_calendar >= 2.2, < 2.3
trytond >= 2.2, < 2.3
[test]
caldav
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