old_contents: # -*- encoding: utf-8 -*-
  from openerp import fields, models, _
  
  import openerp.addons.decimal_precision as dp
  
  
  class product_bundle(models.Model):
      _name = 'product.bundle'
      _description = 'Product bundle'
  
      name = fields.Char(_('Name'), help=_('Product bundle name'), required=True)
      bundle_line_ids = fields.Many2many(
          'product.bundle.line', 'product_bundle_product_bundle_line',
          'product_bundle_id', 'product_bundle_line_id', string=_('Bundle lines'))
  
  
  class product_bundle_line(models.Model):
      _name = 'product.bundle.line'
      _description = 'Product bundle line'
  
      product_id = fields.Many2one('product.template', string=_('Product'), required=True)
      quantity = fields.Float(
          string=_('Quantity'), digits=dp.get_precision('Product Unit of Measure'),
          required=True, default=1)
  
  # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
  
new_contents: # -*- encoding: utf-8 -*-
  from openerp import fields, models, _
  
  import openerp.addons.decimal_precision as dp
  
  
  class product_bundle(models.Model):
      _name = 'product.bundle'
      _description = 'Product bundle'
  
      name = fields.Char(_('Name'), help=_('Product bundle name'), required=True)
      bundle_line_ids = fields.Many2many(
          'product.bundle.line', 'product_bundle_product_bundle_line',
          'product_bundle_id', 'product_bundle_line_id', string=_('Bundle lines'))
  
  
  class product_bundle_line(models.Model):
      _name = 'product.bundle.line'
      _description = 'Product bundle line'
  
      product_id = fields.Many2one(
          'product.product', domain=[('sale_ok', '=', True)], string=_('Product'), required=True)
      quantity = fields.Float(
          string=_('Quantity'), digits=dp.get_precision('Product Unit of Measure'),
          required=True, default=1)
  
  # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
  
subject: Use of product.template instead of product.product in bundle line