Also test the alias attribute of the registry.
Also test the alias attribute of the registry.

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