class_docstr: A group of :class:`Bar` objects.
  
  :param barDict: A map of instrument to :class:`Bar` objects.
  :type barDict: map.
  
  .. note::
      All bars must have the same datetime.
class_docstr_tok: ["A","group","of",":","class",":","`","Bar","`","objects",".",":","param","barDict",":","A","map","of","instrument","to",":","class",":","`","Bar","`","objects",".",":","type","barDict",":","map",".","..","note",":",":","All","bars","must","have","the","same","datetime","."]
docstr: Returns the :class:`pyalgotrade.bar.Bar` for the given instrument or None if the instrument is not found.
docstr_tok: ["Returns","the",":","class",":","`","pyalgotrade.bar.Bar","`","for","the","given","instrument","or","None","if","the","instrument","is","not","found","."]
code: def getBar(self, instrument):
      """Returns the :class:`pyalgotrade.bar.Bar` for the given instrument or None if the instrument is not found."""
      return self.__barDict.get(instrument, None)
  
imports: import abc
  import six
label_desc: Use image node_id 8 for calling the Bars obj's underlying member method code with example usage: obj.getBar(instrument) and returns: self