guard against missing keys in migration (#3601)
guard against missing keys in migration (#3601)

* guard against missing keys in migration

* Update portal/migrations/versions/4737a563e3f9_.py

Co-Authored-By: Ivan Cvitkovic <a50f83ba73790423331b780ef6194aec07772988@uw.edu>

* Update portal/migrations/versions/4737a563e3f9_.py

Co-Authored-By: Ivan Cvitkovic <a50f83ba73790423331b780ef6194aec07772988@uw.edu>

Co-authored-by: Ivan Cvitkovic <079670f395a24a6c6cb85ff20c730e22172e0bc6@gmail.com>

uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal