code: def _make_fire(
      squeeze_channels, expand1x1_channels, expand3x3_channels
  ):
      out = nn.HybridSequential()
      out.add(_make_fire_conv(squeeze_channels, 1))
  
      paths = nn.HybridConcatenate(axis=1)
      paths.add(_make_fire_conv(expand1x1_channels, 1))
      paths.add(_make_fire_conv(expand3x3_channels, 3, 1))
      out.add(paths)
  
      return out
  
file_path: mxnet/python/mxnet/gluon/model_zoo/vision/squeezenet.py
imports: import os
  from ....device import cpu
  from ...block import HybridBlock
  from ...None import nn
  from ....None import base
  from ....util import use_np, wrap_ctx_to_device_func
label_desc: Use image node_id 1 for calling a global function with example usage: _make_fire(squeeze_channels, expand1x1_channels, expand3x3_channels) and returns: out