class_docstr: PalettizationCustomConversionBase is the base class for palettized model conversion. It implements the
  get_finalized_weights method which returns the palettized weights from ``LUT`` and ``indices``
  post-palettization.
code: def __init__(self):
      super().__init__()
  
imports: import torch.nn
  import torch.nn.qat
  from ._supported_modules import Conv1d, Embedding, LayerNorm, MultiheadAttention
label_desc: Use image node_id 1 to create a new PalettizationCustomConversionBase object from inherited base classes: _nn with example: obj = PalettizationCustomConversionBase()