class_docstr: Produce data from a queue 
class_docstr_tok: ["Produce","data","from","a","queue"]
code: def __iter__(self):
      while True:
          yield self.queue.get()
  
imports: import copy
  import numpy
  import six
  from .base import DataFlow, RNGDataFlow
label_desc: Use image node_id 2 for calling the DataFromQueue obj's underlying member method code with example usage: obj.__iter__() without return types