Bug report

Bug summary

Setting the yscale to log in histogram results in empty plot

Code for reproduction

importnumpyasnpimportmatplotlibasmplimportmatplotlib.pyplotaspltplt.figure()plt.hist(np.random.normal(size=1000))plt.yscale('log')plt.show()

Actual outcome

Expected outcome

Matplotlib version

• Operating System: Archlinux
• Matplotlib Version: 2.1.0rc1+49.g20aff4baa
• Python Version: 3.6
• Jupyter Version (if applicable): notebook 5.1
• Other Libraries: