UnicodeDecodeError on loading the graph.

[malarinv]

I am getting the following error. Is unicode in tf variable/scope names not supported?

<ipython-input-2-b2099ef84663> in load(self)
    143         # sess = tf.Session(graph=tf.get_default_graph())
    144         self.sess.run(self.init)
--> 145         g = tfg.board(tf.get_default_graph())
    146         g.view()
    147         self.saver.restore(self.sess, model_path)

/Users/activeai/.local/share/virtualenvs/spotter-67LXOL6z/lib/python2.7/site-packages/tfgraphviz/graphviz_wrapper.pyc in board(tfgraph, depth, name, style)
    212     _node_inpt_table, _node_inpt_shape_table = node_input_table(tfgraph, depth=depth)
    213     digraph = add_nodes(_node_table, name=name, style=style)
--> 214     digraph = add_edges(digraph, _node_inpt_table, _node_inpt_shape_table)
    215     return digraph

/Users/activeai/.local/share/virtualenvs/spotter-67LXOL6z/lib/python2.7/site-packages/tfgraphviz/graphviz_wrapper.pyc in add_edges(digraph, node_inpt_table, node_inpt_shape_table)
    195             else:
    196                 shape = node_inpt_shape_table[ni]
--> 197                 digraph.edge(ni, node, label=edge_label(shape))
    198     return digraph
    199 

/Users/activeai/.local/share/virtualenvs/spotter-67LXOL6z/lib/python2.7/site-packages/graphviz/dot.pyc in edge(self, tail_name, head_name, label, _attributes, **attrs)
    145         head_name = self._quote_edge(head_name)
    146         attr_list = self._attr_list(label, attrs, _attributes)
--> 147         line = self._edge % (tail_name, head_name, attr_list)
    148         self.body.append(line)
    149 

UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 10: ordinal not in range(128)