Update angles.py
Update angles.py

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