code: def test_tree_map_breadcrumb_options_remove_none():
      item_opts = ItemStyleOpts()
      option = TreeMapBreadcrumbOpts(item_opts=item_opts)
      expected = {
          "show": True,
          "left": "center",
          "right": "auto",
          "top": "auto",
          "bottom": 0,
          "height": 22,
          "emptyItemWidth": 25,
          "itemStyle": item_opts,
      }
      assert_equal(expected, remove_key_with_none_value(option.opts))
  
file_path: pyecharts/test/test_series_options.py
imports: from nose.tools import assert_equal
  from pyecharts.commons.utils import remove_key_with_none_value
  from pyecharts.options.series_options import LabelOpts, ItemStyleOpts, MarkPointItem, MarkLineItem, MarkAreaItem, MarkAreaOpts, MinorTickOpts, MinorSplitLineOpts, TreeMapBreadcrumbOpts
label_desc: Use image node_id 7 for calling a global function with example usage: test_tree_map_breadcrumb_options_remove_none() without return types