Fix code style in setup_package.py
Fix code style in setup_package.py

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