title: Pandas DataFrame.hist() doesn't work
body: <p>i follow the google course about machine learning. i'm on this part : <a href="https://colab.research.google.com/notebooks/mlcc/intro_to_pandas.ipynb?hl=fr#scrollTo=nqndFVXVlbPN" rel="noreferrer">pandas</a></p>
  
  <p>But on my mac when i want to generate a chart with this command :</p>
  
  <pre><code>california_housing_dataframe.hist('housing_median_age')
  </code></pre>
  
  <p>it doesn't work. The python icon appear but nothing is displaying on the screen. </p>
  
  <p>i have see some tips with the backend parameter into matplotlibrc but mine is equals to MacOSX and it should work ? </p>
  
  <p>Thanks for help</p>