code: def forward(self, x):
      features = self.encoder(x)
      return _take(features, self._layers)
  
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 2 for calling the TimmBaseEfficientNetEncoder obj's underlying member method code with example usage: obj.forward(x) and returns: _take