[FIX] race condition problem with m2m
[FIX] race condition problem with m2m

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