Require pyerfa 1.7.3 for astropy 4.3
Require pyerfa 1.7.3 for astropy 4.3

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