a slightly tweaked version of @defnull's warning suggesting in #961
a slightly tweaked version of @defnull's warning suggesting in #961
ifduyue/bottle,fkazimierczak/bottle,ifduyue/bottle,defnull/bottle,bottlepy/bottle,oz123/bottle,defnull/bottle,bottlepy/bottle,oz123/bottle,fkazimierczak/bottle