diff -ur matplotlib-2.2.2/lib/matplotlib/figure.py matplotlib-2.2.2/lib/matplotlib/figure.py
--- a/lib/matplotlib/figure.py	2018-03-05 23:47:09.000000000 -0500
+++ b/lib/matplotlib/figure.py	2018-05-17 10:46:52.355306452 -0400
@@ -420,6 +420,17 @@
             from matplotlib.backends import backend_webagg
             return backend_webagg.ipython_inline_display(self)

+    def _repr_html_(self):
+        from js import document
+        import io
+        import base64
+        png_data = io.BytesIO()
+        self.savefig(png_data, format='png')
+        img = document.createElement('img')
+        img.src = 'data:image/png;base64,' + \
+                  base64.b64encode(png_data.getvalue()).decode('ascii')
+        return img
+
     def show(self, warn=True):
         """
         If using a GUI backend with pyplot, display the figure window.