old_contents: from unittest.mock import patch
  
  from nose.tools import assert_equal, assert_in
  
  from pyecharts.charts import Gauge
  from pyecharts import options as opts
  
  
  @patch("pyecharts.render.engine.write_utf8_html_file")
  def test_gauge_base(fake_writer):
      c = Gauge().add("", [("完成率", 66.6)])
      c.render()
      _, content = fake_writer.call_args[0]
      assert_equal(c.theme, "white")
      assert_equal(c.renderer, "canvas")
  
  
  @patch("pyecharts.render.engine.write_utf8_html_file")
  def test_gauage_label_setting(fake_writer):
      c = (
          Gauge()
          .add(
              "",
              [("完成率", 66.6)],
              detail_label_opts=opts.LabelOpts(formatter="{value}"),
              title_label_opts=opts.LabelOpts(
                  font_size=40, color="blue", font_family="Microsoft YaHei"
              ),
          )
          .render()
      )
      _, content = fake_writer.call_args[0]
      assert_in("title", content)
      assert_in("detail", content)
  
new_contents: from unittest.mock import patch
  
  from nose.tools import assert_equal, assert_in
  
  from pyecharts.charts import Gauge
  from pyecharts import options as opts
  
  
  @patch("pyecharts.render.engine.write_utf8_html_file")
  def test_gauge_base(fake_writer):
      c = Gauge().add("", [("完成率", 66.6)])
      c.render()
      _, content = fake_writer.call_args[0]
      assert_equal(c.theme, "white")
      assert_equal(c.renderer, "canvas")
  
  
  @patch("pyecharts.render.engine.write_utf8_html_file")
  def test_gauage_label_setting(fake_writer):
      c = (
          Gauge()
          .add(
              "",
              [("完成率", 66.6)],
              detail_label_opts=opts.LabelOpts(formatter="{value}"),
              title_label_opts=opts.LabelOpts(
                  font_size=40, color="blue", font_family="Microsoft YaHei"
              ),
          )
      )
      c.render()
      _, content = fake_writer.call_args[0]
      assert_in("title", content)
      assert_in("detail", content)
  
subject: fix CI error