code: def get_flow_class(flow):
      return flow_classes.get(flow) if isinstance(flow, str) else flow
  
file_path: euler/tf_euler/python/mp_utils/utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  import tf_euler
  from tf_euler.python.convolution import GATConv, GCNConv, SAGEConv, TAGConv, AGNNConv, SGCNConv, GINConv, GraphConv, APPNPConv, GatedConv, ARMAConv, DNAConv, RelationConv
  from tf_euler.python.dataflow import SageDataFlow, GCNDataFlow, FastGCNDataFlow, LayerwiseDataFlow, LayerwiseEachDataFlow, WholeDataFlow, RelationDataFlow
label_desc: Use image node_id 2 for calling a global function with example usage: get_flow_class(flow) and returns: unknown