title: seaborn heatmap labels can't be display clearly
body: <p>I have a problem storing labels in my Seaborn heatmap. The labels I have are pretty long.</p>
  
  <pre><code>correlation = df.corr()
  plt.figure(figsize=(10,10))
  sns.heatmap(correlation, vmax=1, square=True,annot=True,cmap='cubehelix')
  plt.title('Correlation between different fearures')
  </code></pre>
  
  <p>You can see the map:</p>
  
  <p><img src="https://i.stack.imgur.com/uGsjt.png" alt="here"></p>