elec.draw_wiring_graph() in REDD dataset

[simplyoptimisticonly]

---

AttributeError Traceback (most recent call last)
in
----> 1 elec.draw_wiring_graph()

~.conda\envs\nilmtk-env\lib\site-packages\nilmtk\metergroup.py in draw_wiring_graph(self, show_meter_labels)
634 nx.draw(graph, pos, arrows=False)
635 else:
--> 636 nx.draw(graph, pos, labels=meter_labels, arrows=False)
637
638 ax = plt.gca()

~.conda\envs\nilmtk-env\lib\site-packages\networkx\drawing\nx_pylab.py in draw(G, pos, ax, **kwds)
124
125 try:
--> 126 draw_networkx(G, pos=pos, ax=ax, **kwds)
127 ax.set_axis_off()
128 plt.draw_if_interactive()

~.conda\envs\nilmtk-env\lib\site-packages\networkx\drawing\nx_pylab.py in draw_networkx(G, pos, arrows, with_labels, **kwds)
276
277 node_collection = draw_networkx_nodes(G, pos, **kwds)
--> 278 edge_collection = draw_networkx_edges(G, pos, arrows=arrows, **kwds)
279 if with_labels:
280 draw_networkx_labels(G, pos, **kwds)

~.conda\envs\nilmtk-env\lib\site-packages\networkx\drawing\nx_pylab.py in draw_networkx_edges(G, pos, edgelist, width, edge_color, style, alpha, arrowstyle, arrowsize, edge_cmap, edge_vmin, edge_vmax, ax, arrows, label, node_size, nodelist, node_shape, **kwds)
609 # value globally, since the user can instead provide per-edge alphas
610 # now. Only set it globally if provided as a scalar.
--> 611 if cb.is_numlike(alpha):
612 edge_collection.set_alpha(alpha)
613

AttributeError: module 'matplotlib.cbook' has no attribute 'is_numlike'

[PMeira]

That's an issue with matplotlib 3.2 and networkx. It seems the conda recipe for networkx is outdated/wrong. I prepared yet another package to restrict it on our side. You can try conda update -c nilmtk nilmtk in your NILMTK environment. All the basic example notebooks should run fine with this one.

There are also a couple more options. You could also manually downgrade matplotlib to 3.1.x, or just add the following code to provide the missing method that networkx expects and hope everything else works:

from numbers import Number
import matplotlib

if not hasattr(matplotlib.cbook, 'is_numlike'):
    # Monkey-patch matplotlib's cbook to make networkx work
    matplotlib.cbook.is_numlike = lambda x: isinstance(x, Number)

[simplyoptimisticonly]

Thanks again !!

Following worked for me and it resolved the wiring diagram issue.

>> You can try conda update -c nilmtk nilmtk in your NILMTK environment.