fix handling of Column objects for aszarr (issue #12518)
fix handling of Column objects for aszarr (issue #12518)
StuartLittlefair/astropy,pllim/astropy,mhvk/astropy,StuartLittlefair/astropy,pllim/astropy,larrybradley/astropy,mhvk/astropy,larrybradley/astropy,mhvk/astropy,saimn/astropy,astropy/astropy,StuartLittlefair/astropy,lpsinger/astropy,lpsinger/astropy,pllim/astropy,larrybradley/astropy,saimn/astropy,lpsinger/astropy,lpsinger/astropy,astropy/astropy,larrybradley/astropy,saimn/astropy,saimn/astropy,astropy/astropy,astropy/astropy,lpsinger/astropy,StuartLittlefair/astropy,pllim/astropy,StuartLittlefair/astropy,saimn/astropy,astropy/astropy,pllim/astropy,larrybradley/astropy,mhvk/astropy,mhvk/astropy