Edited this issue about 14 times, here is the minimal works/doesn't: ## Works: ```python d = {4:1, 6:2} plt.bar(d.keys(), d.values()) ``` ## doesn't work ```python d = {4:1, 6:2} plt.plot(d.keys(), d.values()) ``` doesn't work as of '3.2.1.post2558.dev0+geeeafe9c2' & support for this was added in #6787