Add entry for astropy.visualization.CompositeStretch [#8564]
Add entry for astropy.visualization.CompositeStretch [#8564]

lpsinger/astropy,aleksandr-bakanov/astropy,astropy/astropy,bsipocz/astropy,StuartLittlefair/astropy,mhvk/astropy,lpsinger/astropy,larrybradley/astropy,stargaser/astropy,MSeifert04/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,saimn/astropy,StuartLittlefair/astropy,astropy/astropy,astropy/astropy,pllim/astropy,lpsinger/astropy,MSeifert04/astropy,dhomeier/astropy,lpsinger/astropy,saimn/astropy,pllim/astropy,pllim/astropy,dhomeier/astropy,mhvk/astropy,saimn/astropy,larrybradley/astropy,bsipocz/astropy,StuartLittlefair/astropy,lpsinger/astropy,mhvk/astropy,pllim/astropy,larrybradley/astropy,bsipocz/astropy,MSeifert04/astropy,pllim/astropy,larrybradley/astropy,saimn/astropy,StuartLittlefair/astropy,astropy/astropy,stargaser/astropy,dhomeier/astropy,mhvk/astropy,larrybradley/astropy,astropy/astropy,stargaser/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,StuartLittlefair/astropy,stargaser/astropy,aleksandr-bakanov/astropy,mhvk/astropy,bsipocz/astropy,saimn/astropy