class_docstr: Container for the artists of bar plots (e.g. created by `.Axes.bar`).
  
  The container can be treated as a tuple of the *patches* themselves.
  Additionally, you can access these and further parameters by the
  attributes.
  
  Attributes
  ----------
  patches : list of :class:`~matplotlib.patches.Rectangle`
      The artists of the bars.
  
  errorbar : None or :class:`~matplotlib.container.ErrorbarContainer`
      A container for the error bar artists if error bars are present.
      *None* otherwise.
class_docstr_tok: ["Container","for","the","artists","of","bar","plots","(","e.g",".","created","by","`",".Axes.bar","`",")",".","The","container","can","be","treated","as","a","tuple","of","the","*","patches","*","themselves",".","Additionally",",","you","can","access","these","and","further","parameters","by","the","attributes",".","Attributes","--","--","--","--","--","patches",":","list","of",":","class",":","`","~matplotlib.patches.Rectangle","`","The","artists","of","the","bars",".","errorbar",":","None","or",":","class",":","`","~matplotlib.container.ErrorbarContainer","`","A","container","for","the","error","bar","artists","if","error","bars","are","present",".","*","None","*","otherwise","."]
code: def __init__(self, patches, errorbar=None, **kwargs):
      self.patches = patches
      self.errorbar = errorbar
      Container.__init__(self, patches, **kwargs)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.cbook
  import matplotlib.artist
label_desc: Use image node_id 1 to create a new BarContainer object from inherited base classes: Container with example: obj = BarContainer(patches, errorbar)