Fix use of deprecated find_module
Fix use of deprecated find_module

mhvk/astropy,pllim/astropy,mhvk/astropy,lpsinger/astropy,larrybradley/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,lpsinger/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,mhvk/astropy,StuartLittlefair/astropy,mhvk/astropy,StuartLittlefair/astropy,astropy/astropy,astropy/astropy,saimn/astropy,larrybradley/astropy,pllim/astropy,larrybradley/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,StuartLittlefair/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,saimn/astropy,astropy/astropy,astropy/astropy,pllim/astropy,saimn/astropy,pllim/astropy