text: Title: height_ratios ignored 
  Body: Specified height_ratio=[1,4] below (or any other ratio) but it is being ignored.
  Current bottom axis looks squished otherwise.
  ```
  #define lower y-axis range and upper y-axis range
  
  
  bax = brokenaxes( ylims=((0, 2), (3,10)), height_ratios=[1,4])
  
  
  # Plot
  bax.plot('Year', 'Barbiturates', data=df2, color='blue')
  bax.plot('Year', 'Chloral Hydrate', data=df2, color='red')
  
  # Labels, legend, and title
  bax.set_ylabel('Rate per 1,000 encounters', 30)
  bax.set_xlabel('Year', 25)
  bax.legend(bbox_to_anchor=(0, -0.2, 1, 0), loc=2, ncol=2, mode="expand", borderaxespad=0)
  bax.set_title("Trend Plot")
  
  
  
  # Hack to get grid lines to appear on plots in first row as well, set the x-axis tick marks the same
  bax.axs[0].xaxis.set_major_locator(bax.axs[1].xaxis.get_major_locator())
  # Make invisible the tick label and tick tick lines that made plot look weird
  plt.setp(bax.axs[0].xaxis.get_majorticklabels(), visible=False)
  plt.setp(bax.axs[0].xaxis.get_majorticklines(), visible=False)
  
  #turn on grid
  bax.axs[0].grid(True)
  bax.axs[1].grid(True)
  
  bax.axs[0].set_yticks([3, 4, 5, 6, 7, 8, 9, 10])
  bax.axs[1].set_yticks([0.25, 0.50, 0.75, 1.0, 1.25, 1.50, 1.75, 2.0, 2.25])
  
  
  plt.savefig('image2.jpg', bbox_inches='tight', dpi=300) # export to jpg at 300 dpi
  plt.show()
  ```
  ![image2](https://user-images.githubusercontent.com/10066227/63563472-3a137800-c52f-11e9-8add-0df6d43e4d93.jpg)
  