code: def change_input_channels(
      self, input_channels: int, mode="auto", **kwargs
  ):
      self.encoder.conv_stem = make_n_channel_input_conv2d_same(
          self.encoder.conv_stem, input_channels, mode, **kwargs
      )
      return self
  
imports: import math
  import warnings
  import torch
  from torch import nn
  from ..common import EncoderModule, _take
  from ...activations import ACT_SILU, get_activation_block
label_desc: Use image node_id 3 for calling the TimmBaseEfficientNetEncoder obj's underlying member method code with example usage: obj.change_input_channels(input_channels, mode) and returns: self