code: def _round_channels(self, chs):
      return round_channels(
          chs,
          self.channel_multiplier,
          self.channel_divisor,
          self.channel_min,
      )
  
imports: from lib.utils.util import *
  from timm.models.efficientnet_blocks import *
label_desc: Use image node_id 2 for calling the ChildNetBuilder obj's underlying member method code with example usage: obj._round_channels(chs) and returns: round_channels