AttributeError: 'module' object has no attribute 'debug'

[Maxime Chambreuil (http://www.savoirfairelinux.com)]

2012-03-13 22:40:59,378 62779 ERROR ? openerp.addons.base.ir.ir_cron: Call of self.pool.get('sale.shop').run_export_stock_levels_scheduler(cr, uid, *()) failed in Job 11
Traceback (most recent call last):
  File "/Users/openerp/openerp-virt/lib/python2.6/site-packages/openerp-6.1-py2.6.egg/openerp/addons/base/ir/ir_cron.py", line 138, in _callback
    method(cr, uid, *args)
  File "/Users/openerp/openerp/magento-onchange-support/magentoerpconnect/sale.py", line 269, in run_export_stock_levels_scheduler
    self._sale_shop(cr, uid, self.export_inventory, context=context)
  File "/Users/openerp/openerp/magento-onchange-support/magentoerpconnect/sale.py", line 254, in _sale_shop
    tools.debug(callback)
AttributeError: 'module' object has no attribute 'debug'