TST: cast tmpdir to str before setenv
TST: cast tmpdir to str before setenv

qwhelan/asv,airspeed-velocity/asv,airspeed-velocity/asv,airspeed-velocity/asv,qwhelan/asv,spacetelescope/asv,spacetelescope/asv,qwhelan/asv,spacetelescope/asv,qwhelan/asv,spacetelescope/asv,airspeed-velocity/asv