pyecharts 输出空白不显示图形的解决办法

(function (root, factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module. define(['exports', 'echarts'], factory); } else if (typeof exports === 'object' && typeof exports.nodeName !== 'string') { // CommonJS factory(exports, require('echarts')); } else { // Browser globals factory({}, root.echarts); } }(this, function (exports, echarts) { var log = function (msg) { if (typeof console !== 'undefined') { console && console.error && console.error(msg); } } if (!echarts) { log('ECharts is not Loaded'); return; } if (!echarts.registerMap) { log('ECharts Map is not loaded') return; } echarts.registerMap('world_china_provinces', 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