Change oioioi~python3~I8858ff4c6ebd69f2271150b11291ed9404ffa372, patchset 3
https://gerrit.sio2project.mimuw.edu.pl/3692
SIO-2427 Add django 2.2 support
Removed python_2_unicode_compatible decorator and made migration after its removal.
Silenced admin.E130 system check.
Removed use of None as url arguemnt.
Started creating object if its id is used in tests as foreign key.
Adjusted dependencies.
Django 2.2.21 support is not there as it introduced breaking change(name of a file cannot be path) that I'm not sure how to adjust to.
Change-Id: I8858ff4c6ebd69f2271150b11291ed9404ffa372
https://gerrit.sio2project.mimuw.edu.pl/3692
SIO-2427Add django 2.2 supportRemoved python_2_unicode_compatible decorator.
Silenced admin.E130 system check.
Removed use of None as url arguemnt.
Started creating object if it's id is used in tests as foreign key.
Adjusted dependencies.
Change-Id: I8858ff4c6ebd69f2271150b11291ed9404ffa372