class_docstr: Event carrying messages from toolmanager
  
  Messages usually get displayed to the user by the toolbar
class_docstr_tok: ["Event","carrying","messages","from","toolmanager","Messages","usually","get","displayed","to","the","user","by","the","toolbar"]
code: def __init__(self, name, sender, message):
      self.name = name
      self.sender = sender
      self.message = message
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import warnings
  import matplotlib.cbook
  import matplotlib.widgets
  from matplotlib.rcsetup import validate_stringlist
  import matplotlib.backend_tools
label_desc: Use image node_id 1 to create a new ToolManagerMessageEvent object from inherited base classes: object with example: obj = ToolManagerMessageEvent(name, sender, message)