docstr: Class has already been created ... register
docstr_tok: ["Class","has","already","been","created","...","register"]
code: def __init__(cls, name, bases, dct):
      """Class has already been created ... register"""
      # Initialize the class
      super(MetaIBData, cls).__init__(name, bases, dct)
  
      # Register with the store
      ibstore.IBStore.DataCls = cls
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import datetime
  import backtrader
  from backtrader.feed import DataBase
  from backtrader import TimeFrame, date2num, num2date
  from backtrader.utils.py3 import integer_types, queue, string_types, with_metaclass
  from backtrader.metabase import MetaParams
  from backtrader.stores import ibstore
label_desc: Use image node_id 1 to create a new MetaIBData object from inherited base classes: DataBase with example: obj = MetaIBData(cls, name, bases, dct)