paper-xlsxAPI referencedescriptors.nestedNestedSetpaper-xlsx 0.2.1 API referenceCopy MarkdownOpen Attributes attribute attributeattribute= 'val' name attributename= name nested attributenested= True Functions from_tree funcfrom_tree(node)paramnode to_tree functo_tree(tagname=None, value=None, namespace=None)paramtagname= Noneparamvalue= Noneparamnamespace= NoneNestedNoneSetpaper-xlsx 0.2.1 API referenceNestedStringpaper-xlsx 0.2.1 API reference