class_docstr: Fill the background by a constant 
class_docstr_tok: ["Fill","the","background","by","a","constant"]
docstr: Args:
      value (float): the value to fill the background.
docstr_tok: ["Args",":","value","(","float",")",":","the","value","to","fill","the","background","."]
code: def __init__(self, value):
      """
      Args:
          value (float): the value to fill the background.
      """
      self.value = value
  
imports: import numpy
  from abc import abstractmethod
  from .base import ImageAugmentor
  from .transform import TransformFactory
label_desc: Use image node_id 1 to create a new ConstantBackgroundFiller object from inherited base classes: BackgroundFiller with example: obj = ConstantBackgroundFiller(value)