remove python2 legacy support
remove python2 legacy support

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