apply underscore_memoization to builtin
apply underscore_memoization to builtin

dwillmer/jedi,jonashaag/jedi,mfussenegger/jedi,jonashaag/jedi,WoLpH/jedi,flurischt/jedi,WoLpH/jedi,tjwei/jedi,tjwei/jedi,flurischt/jedi,dwillmer/jedi,mfussenegger/jedi