code: def test_cascade_privacy_settings_default_global(self):
      PyGraphistry._config["privacy"] = None
      PyGraphistry.privacy()
      au = ArrowUploader()
      assert au.cascade_privacy_settings() == (
          "private",
          False,
          [],
          "20",
          "",
      )
  
imports: import graphistry, mock, pandas, pytest, unittest
  from graphistry import ArrowUploader
  from graphistry.pygraphistry import PyGraphistry
label_desc: Use image node_id 7 for calling the TestArrowUploader_Core obj's underlying member method code with example usage: obj.test_cascade_privacy_settings_default_global() without return types