class_docstr: Fuses rectified linear units with their parent nodes.
class_docstr_tok: ["Fuses","rectified","linear","units","with","their","parent","nodes","."]
code: def merge(self, parent, _):
      parent.metadata["relu"] = True
  
imports: from __future__ import unicode_literals
  from google.protobuf import text_format
  import numpy
  from mmdnn.conversion.caffe.graph import GraphBuilder, NodeKind, LAYER_IN_TRAIN_PROTO
  from mmdnn.conversion.caffe.mapper import NodeMapper, get_handler_name
  from mmdnn.conversion.caffe.resolver import get_caffe_resolver, has_pycaffe
  from mmdnn.conversion.caffe.errors import print_stderr, ConversionError
  from mmdnn.conversion.caffe.common_graph import Graph
  from mmdnn.conversion.caffe.utils import get_lower_case, get_upper_case
label_desc: Use image node_id 3 for calling the ReLUFuser obj's underlying member method code with example usage: obj.merge(parent, _) without return types