docstr: Returns the size of relation embedding matrix.
docstr_tok: ["Returns","the","size","of","relation","embedding","matrix","."]
code: def max_rel_size(self):
      """Returns the size of relation embedding matrix."""
      return self._max_rel_size_internal
  
file_path: AmpliGraph/ampligraph/latent_features/layers/encoding/EmbeddingLookupLayer.py
imports: import tensorflow
  import numpy
label_desc: Use image node_id 8 for calling the EmbeddingLookupLayer obj's underlying member method code with example usage: obj.max_rel_size() and returns: self