code: def get_handler_name(node_kind):
      if node_kind is None:
          return node_kind
      else:
          if len(node_kind) <= 4:
              return node_kind.lower()
          else:
              return get_lower_case(node_kind)
  
imports: from __future__ import absolute_import
  from __future__ import division
  import numpy
  from mmdnn.conversion.caffe.errors import ConversionError
  from mmdnn.conversion.caffe.common_graph import Node
  from mmdnn.conversion.caffe.network import DEFAULT_PADDING
  from mmdnn.conversion.caffe.utils import get_lower_case
  from mmdnn.conversion.common.IR.graph_pb2 import TensorShape
label_desc: Use image node_id 1 for calling a global function with example usage: get_handler_name(node_kind) and returns: node_kind, node_kind, get_lower_case