Bug#918340: pylint-django build depends on python3-factory-boy that is currently not in buster

[Adrian Bunk]

Source: pylint-django
Version: 2.0.5-1
Severity: serious
Tags: ftbfs
Control: block -1 by 910318

pylint-django build depends on python3-factory-boy that
is currently not in buster due to #910318.