docstr: Get the help string for this class in ReST format.
  
  If `inst` is given, it's current trait values will be used in place of
  class defaults.
docstr_tok: ["Get","the","help","string","for","this","class","in","ReST","format",".","If","`","inst","`","is","given",",","it","'s","current","trait","values","will","be","used","in","place","of","class","defaults","."]
code: def class_get_help(cls, inst=None):
      """Get the help string for this class in ReST format.
  
      If `inst` is given, it's current trait values will be used in place of
      class defaults.
      """
      assert inst is None or isinstance(inst, cls)
      final_help = []
      final_help.append("%s options" % cls.__name__)
      final_help.append(len(final_help[0]) * "-")
      for k, v in sorted(cls.class_traits(config=True).items()):
          help = cls.class_get_trait_help(v, inst)
          final_help.append(help)
      return "\n".join(final_help)
  
imports: from __future__ import print_function, absolute_import
  from copy import deepcopy
  import warnings
  from .loader import Config, LazyConfigValue, _is_section_key
  from traitlets.traitlets import HasTraits, Instance, observe, observe_compat, default
  from ipython_genutils.text import indent, dedent, wrap_paragraphs
label_desc: Use image node_id 7 for calling the Configurable obj's underlying member method code with example usage: obj.class_get_help(cls, inst) and returns: str