class_docstr: FastSEResNet 
class_docstr_tok: ["FastSEResNet"]
code: def hybrid_forward(self, _, x):
      x = self.maxpool(
          self.relu(self.bn1(self.conv1(x)))
      )  # 64 * h/4 * w/4
      x = self.layer1(x)  # 256 * h/4 * w/4
      x = self.layer2(x)  # 512 * h/8 * w/8
      x = self.layer3(x)  # 1024 * h/16 * w/16
      x = self.layer4(x)  # 2048 * h/32 * w/32
      return x
  
imports: import math
  import os
  import mxnet
  from mxnet import initializer
  from mxnet.gluon import nn
  from mxnet.gluon.block import HybridBlock
  from .utils import ZeroUniform, _try_load_parameters
label_desc: Use image node_id 2 for calling the FastSEResNet obj's underlying member method code with example usage: obj.hybrid_forward(_, x) and returns: x