code: def __init__(self, chain):
      ChainTransform.__init__(self)
      self._chain = chain
      chain.changed.connect(self.source_changed)
      self.source_changed(None)
  
imports: from __future__ import division
  from ..shaders import FunctionChain
  from .base_transform import BaseTransform
  from .linear import NullTransform
label_desc: Use image node_id 1 to create a new SimplifiedChainTransform object from inherited base classes: ChainTransform with example: obj = SimplifiedChainTransform(chain)