[FIX] Fixed dynamic return for poll method.
[FIX] Fixed dynamic return for poll method.

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extra : convert_revision : noz%40tinyerp.com-20110411090802-lk0ece62fhd2srwv

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