class_docstr: A simple PUBHandler subclass that sets root_topic
class_docstr_tok: ["A","simple","PUBHandler","subclass","that","sets","root_topic"]
code: def __init__(self, engine, *args, **kwargs):
      PUBHandler.__init__(self, *args, **kwargs)
      self.engine = engine
  
imports: from logging import INFO, DEBUG, WARN, ERROR, FATAL
  from zmq.log.handlers import PUBHandler
  import warnings
label_desc: Use image node_id 1 to create a new EnginePUBHandler object from inherited base classes: PUBHandler with example: obj = EnginePUBHandler(engine)