Restrict a > 0 in LogStretch and InvertedLogStretch
Restrict a > 0 in LogStretch and InvertedLogStretch

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