code: def __init__(
      self, fea_dim, dim, metapath, total_relation_num, **kwargs
  ):
      super(RelationConv, self).__init__(aggr="mean", **kwargs)
      self.fea_dim = fea_dim
      self.dim = dim
      self.relation_num = total_relation_num
      self.fc = tf.layers.Dense(dim, use_bias=False)
      self.built = False
  
file_path: euler/tf_euler/python/convolution/relation_conv.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  import collections
  from tf_euler.python.convolution import conv
  from tf_euler.python.euler_ops import mp_ops
label_desc: Use image node_id 1 to create a new RelationConv object from inherited base classes: conv with example: obj = RelationConv(fea_dim, dim, metapath, total_relation_num)