class_docstr: an immutable object holding a source code fragment,
  possibly deindenting it.
class_docstr_tok: ["an","immutable","object","holding","a","source","code","fragment",",","possibly","deindenting","it","."]
docstr: return Source statement which contains the
  given linenumber (counted from 0).
docstr_tok: ["return","Source","statement","which","contains","the","given","linenumber","(","counted","from","0",")","."]
code: def getstatement(self, lineno):
      """return Source statement which contains the
      given linenumber (counted from 0).
      """
      start, end = self.getstatementrange(lineno)
      return self[start:end]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import ast
  import inspect
  import linecache
  import sys
  import textwrap
  import tokenize
  import warnings
  from ast import PyCF_ONLY_AST
  from bisect import bisect_right
  import py
  import six
label_desc: Use image node_id 8 for calling the Source obj's underlying member method code with example usage: obj.getstatement(lineno) and returns: self