[FIX] unfuck set usage
[FIX] unfuck set usage

set("web") -> set(['b', 'e', 'w']), which won't do anything.

Use set.discard which removes the value if present or noops if not.

MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,splbio/openerp-web,splbio/openerp-web