class_docstr: Class raising error if used
  
  Standard use is to proxy modules that we could not import
  
  Examples
  --------
  >>> try:
  ...     import silly_module_name
  ... except ImportError:
  ...    silly_module_name = TripWire('We do not have silly_module_name')
  >>> silly_module_name.do_silly_thing('with silly string') #doctest: +IGNORE_EXCEPTION_DETAIL
  Traceback (most recent call last):
      ...
  TripWireError: We do not have silly_module_name
docstr: Raise informative error while calling 
docstr_tok: ["Raise","informative","error","while","calling"]
code: def __call__(self, *args, **kwargs):
      """Raise informative error while calling"""
      raise TripWireError(self._msg)
  
label_desc: Use image node_id 3 for calling the TripWire obj's underlying member method code with example usage: obj.__call__() without return types