code: def __init__(self, *args, **kwds):
      super(BlockingInProcessChannel, self).__init__(*args, **kwds)
      self._in_queue = Queue()
  
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 1 to create a new BlockingInProcessChannel object from inherited base classes: InProcessChannel with example: obj = BlockingInProcessChannel()