docstr: Returns size of the input tensor without the batch dimension.
docstr_tok: ["Returns","size","of","the","input","tensor","without","the","batch","dimension","."]
code: def input_shape(self) -> torch.Size:
      """Returns size of the input tensor without the batch dimension."""
      pass
  
imports: import math
  import os
  import warnings
  from abc import abstractmethod
  from functools import lru_cache
  from typing import List, Optional, Tuple, Union
  import torch
  from torch import nn
  from torch.nn import Module, ModuleDict
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.constants import ENCODER_OUTPUT
  from ludwig.utils.strings_utils import SpecialSymbol
label_desc: Use image node_id 7 for calling the LudwigModule obj's underlying member method code with example usage: obj.input_shape() without return types