class_docstr: Docstring for class Foo.  Example from Sphinx docs.
class_docstr_tok: ["Docstring","for","class","Foo",".","Example","from","Sphinx","docs","."]
code: def __init__(self):
      #: Doc comment for instance attribute qux.
      self.qux = 3
  
      self.spam = 4
      """Docstring for instance attribute spam."""
  
imports: import os.path
  import sys
  import a
  from b.c import X
label_desc: Use image node_id 1 to create a new Foo object  with example: obj = Foo()