code: def __enter__(self):
      if self.hooks is not None:
          self.noned_info = self.batch.apply_propagation_hooks_(
              self.augmenter, self.hooks, self.parents
          )
      return self.batch
  
imports: from __future__ import print_function, division, absolute_import
  import collections
  import numpy
  from ..None import imgaug
  from .None import normalization
  from .None import utils
label_desc: Use image node_id 2 for calling the _BatchInAugmentationPropagationContext obj's underlying member method code with example usage: obj.__enter__() and returns: self