new_contents: import matplotlib.pyplot as plt
  from mpl_toolkits.axes_grid.anchored_artists import AnchoredText
  
  from astropy.io.fits import Header
  from astropy.wcs import WCS
  
  from wcsaxes import WCSAxes
  
  import pyregion
  
  region_list = ["test_text.reg",
                 "test_context.reg"]
  
  # Create figure
  fig = plt.figure(figsize=(8,4))
  
  # Parse WCS information
  header = Header.fromtextfile('sample_fits01.header')
  wcs = WCS(header)
  
  # Create axes
  ax1 = WCSAxes(fig, [0.1, 0.1, 0.4, 0.8], wcs=wcs)
  fig.add_axes(ax1)
  ax2 = WCSAxes(fig, [0.5, 0.1, 0.4, 0.8], wcs=wcs)
  fig.add_axes(ax2)
  
  # Hide labels on y axis
  ax2.coords[1].set_ticklabel_position('')
  
  for ax, reg_name in zip([ax1, ax2], region_list):
  
      ax.set_xlim(300, 1300)
      ax.set_ylim(300, 1300)
      ax.set_aspect(1)
  
      r = pyregion.open(reg_name).as_imagecoord(header)
  
      patch_list, text_list = r.get_mpl_patches_texts()
  
      for p in patch_list:
          ax.add_patch(p)
  
      for t in text_list:
          ax.add_artist(t)
  
      atext = AnchoredText(reg_name, loc=2)
  
      ax.add_artist(atext)
  
  plt.draw()
  plt.show()
  
subject: Add back fixed demo_region03