code: def __init__(self, offsets=(0, 0)):
      self.offsets = offsets
  
imports: import matplotlib.pyplot
  import numpy
  from matplotlib.artist import Artist
  import matplotlib.cm
  from matplotlib.colors import LightSource
  import matplotlib.transforms
label_desc: Use image node_id 1 to create a new OffsetFilter object from inherited base classes: BaseFilter with example: obj = OffsetFilter(offsets)