i tried like below i got error called "No Enumerator given for foreach"

xml static file:

py file

from odoo import api, fields, models
import logging


class resPartner(models.Model):
    _inherit = 'res.partner'

    visited_branches_ids = fields.Many2many('res.company', string="Visited Branches")

js file

odoo.define('prism_pos_extend.visited_branches', function (require) {
    "use strict";

    var models = require('point_of_sale.models');

var _super_posmodel = models.PosModel.prototype;
    models.PosModel = models.PosModel.extend({
        initialize: function(session,attributes)
        {
            var company_model = _.find(this.models,function(model)
            {
                return model.model === 'res.company';
            });
            company_model.fields.push('visited_branches_ids');
            return _super_posmodel.initialize.call(this,session,attributes);
        },
    });


    models.load_models([
        {
            model:  'res.company',
            fields: ['id', 'name'],
            loaded: function(self,visited_branches_ids){
            self.visited_branches = visited_branches_ids || [];
            console.log("company fields")
            console.log(self.visited_branches_ids)
            },
        }

]);
});