Let skyfield use a temporary directory for files it downloads.
Let skyfield use a temporary directory for files it downloads.

StuartLittlefair/astropy,pllim/astropy,dhomeier/astropy,saimn/astropy,aleksandr-bakanov/astropy,astropy/astropy,StuartLittlefair/astropy,mhvk/astropy,saimn/astropy,astropy/astropy,saimn/astropy,mhvk/astropy,larrybradley/astropy,saimn/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,pllim/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,lpsinger/astropy,larrybradley/astropy,pllim/astropy,StuartLittlefair/astropy,lpsinger/astropy,larrybradley/astropy,saimn/astropy,astropy/astropy,astropy/astropy,pllim/astropy,larrybradley/astropy,pllim/astropy,StuartLittlefair/astropy,astropy/astropy,dhomeier/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,dhomeier/astropy,mhvk/astropy,lpsinger/astropy,lpsinger/astropy