class_docstr: Generic SVG element
code: def viewport(self):
      if self._parent:
          return self._parent.viewport
      return None
  
file_path: vispy/vispy/util/svg/element.py
imports: import copy
  from .style import Style
label_desc: Use image node_id 5 for calling the Element obj's underlying member method code with example usage: obj.viewport() and returns: None, self