title: Same size of axes if one of them has set_aspectratio to "equal"
body: <p>Imagine the following simple situation:</p>
  
  <pre><code>import numpy as np
  import matplotlib.pyplot as plt
  
  fig, (ax1, ax2) = plt.subplots(1, 2)
  
  ax1.plot(np.arange(10))
  ax1.set_aspect("equal")
  
  ax2.plot(np.arange(10), np.arange(0, 1, .1))
  
  plt.show()
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/BH5eN.png" alt="Example Figure"></p>
  
  <p>What would be the best/easiest solution so that ax2 has the same width/height as ax1, no matter what the aspectratio of ax2 is?</p>