title: Bokeh Interactive legend hide multiple glyphs
body: <p>I've enabled the hide legend option for my dataset. When I click it, only one bar goes off and others stay. I'm not quite sure what is causing the issue. </p>
  
  <p>Here's the bar plot before and after:</p>
  
  <p><img src="https://i.stack.imgur.com/9j9sp.jpg" alt="before and after">.</p>
  
  <p>Here's what my data looks like:</p>
  
  <p><img src="https://i.stack.imgur.com/kKrTC.png" alt="Here&#39;s"></p>
  
  <p>Here's the code:</p>
  
  <pre><code>p = Bar(output,'Programs',values="Averages", group="University",plot_width=600,plot_height=400, title="Comparison")
  p.legend.click_policy="hide"
  output_file("bar.html")
  show(p)
  </code></pre>