From this example: https://netgraph.readthedocs.io/en/latest/sphinx_gallery_output/plot_06_labels.html#sphx-glr-sphinx-gallery-output-plot-06-labels-py the graph should looks like this  but, it's this instead 
From this example: https://netgraph.readthedocs.io/en/latest/sphinx_gallery_output/plot_06_labels.html#sphx-glr-sphinx-gallery-output-plot-06-labels-py


the graph should looks like this
but, it's this instead