loop until database ready on celery
loop until database ready on celery

geometalab/osmaxx,geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osmaxx,geometalab/drf-utm-zone-info,geometalab/drf-utm-zone-info,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend,geometalab/osmaxx,geometalab/osmaxx-frontend