class_docstr: The given callable is not structured in the expected way.
class_docstr_tok: ["The","given","callable","is","not","structured","in","the","expected","way","."]
code: def msg(self):
      return str(self)
  
imports: from collections import namedtuple
  import inspect
  from itertools import chain
  from six.moves import map, zip_longest
  from catalyst.errors import ZiplineError
label_desc: Use image node_id 3 for calling the BadCallable obj's underlying member method code with example usage: obj.msg() and returns: str