Update test_figure.py

Author: scottjones03

lib/matplotlib/tests/test_figure.py

@@ -1108,15 +1108,17 @@ def test_subfigure_tightbbox():
             fig.get_tightbbox(fig.canvas.get_renderer()).width,
             8.0)
 
+
 def test_subfigure_dpi():
     fig = plt.figure(dpi=100)
     sub_fig = fig.subfigures()
     assert sub_fig.get_dpi() == fig.get_dpi()
-    
+
     sub_fig.set_dpi(200)
     assert sub_fig.get_dpi() == 200
     assert fig.get_dpi() == 200
 
+
 @image_comparison(['test_subfigure_ss.png'], style='mpl20',
                   savefig_kwarg={'facecolor': 'teal'})
 def test_subfigure_ss():