docstr: Is there a message that has been received? 
docstr_tok: ["Is","there","a","message","that","has","been","received","?"]
code: def msg_ready(self):
      """Is there a message that has been received?"""
      return not self._in_queue.empty()
  
file_path: catboost/contrib/python/ipykernel/py2/ipykernel/inprocess/blocking.py
imports: from IPython.utils.io import raw_print
  from traitlets import Type
  from .channels import InProcessChannel
  from .client import InProcessKernelClient
label_desc: Use image node_id 5 for calling the BlockingInProcessChannel obj's underlying member method code with example usage: obj.msg_ready() and returns: unknown