class_docstr: Produce data from a queue 
class_docstr_tok: ["Produce","data","from","a","queue"]
docstr: Args:
      queue (queue): a queue with ``get()`` method.
docstr_tok: ["Args",":","queue","(","queue",")",":","a","queue","with","``","get","(",")","``","method","."]
code: def __init__(self, queue):
      """
      Args:
          queue (queue): a queue with ``get()`` method.
      """
      self.queue = queue
  
imports: import copy
  import numpy
  import six
  from .base import DataFlow, RNGDataFlow
label_desc: Use image node_id 1 to create a new DataFromQueue object from inherited base classes: DataFlow with example: obj = DataFromQueue(queue)