matplotlib
diff --git a/‎lib/matplotlib/axis.py
Lines changed: 14 additions & 5 deletions b/‎lib/matplotlib/axis.py
Lines changed: 14 additions & 5 deletions
diff --git a/‎lib/matplotlib/tests/test_axes.py
Lines changed: 7 additions & 5 deletions b/‎lib/matplotlib/tests/test_axes.py
Lines changed: 7 additions & 5 deletions
@@ -1028,11 +1028,10 @@ def set_inverted(self, inverted):
         the top for the y-axis; the "inverse" direction is increasing to the
         left for the x-axis and to the bottom for the y-axis.
         """
-        a, b = self.get_view_interval()
-        if inverted:
-            self.set_view_interval(max(a, b), min(a, b), ignore=True)
-        else:
-            self.set_view_interval(min(a, b), max(a, b), ignore=True)
+        # Currently, must be implemented in subclasses using set_xlim/set_ylim
+        # rather than generically using set_view_interval, so that shared
+        # axes get updated as well.
+        raise NotImplementedError('Derived must override')
 
     def set_default_intervals(self):
         """
@@ -2166,6 +2165,11 @@ def set_data_interval(self, vmin, vmax, ignore=False):
             self.axes.dataLim.intervalx = min(vmin, Vmin), max(vmax, Vmax)
         self.stale = True
 
+    def set_inverted(self, inverted):
+        # docstring inherited
+        a, b = self.get_view_interval()
+        self.axes.set_xlim(sorted((a, b), reverse=inverted), auto=None)
+
     def set_default_intervals(self):
         # docstring inherited
         xmin, xmax = 0., 1.
@@ -2494,6 +2498,11 @@ def set_data_interval(self, vmin, vmax, ignore=False):
             self.axes.dataLim.intervaly = min(vmin, Vmin), max(vmax, Vmax)
         self.stale = True
 
+    def set_inverted(self, inverted):
+        # docstring inherited
+        a, b = self.get_view_interval()
+        self.axes.set_ylim(sorted((a, b), reverse=inverted), auto=None)
+
     def set_default_intervals(self):
         # docstring inherited
         ymin, ymax = 0., 1.
 
@@ -240,17 +240,19 @@ def test_inverted_cla():
     ax.cla()
     ax.imshow(img)
     plt.autoscale()
-    assert not(ax.xaxis_inverted())
+    assert not ax.xaxis_inverted()
     assert ax.yaxis_inverted()
 
-    # 5. two shared axes. Clearing the master axis should bring axes in shared
-    # axes back to normal
+    # 5. two shared axes. Inverting the master axis should invert the shared
+    # axes; clearing the master axis should bring axes in shared
+    # axes back to normal.
     ax0 = plt.subplot(211)
     ax1 = plt.subplot(212, sharey=ax0)
-    ax0.imshow(img)
+    ax0.yaxis.set_inverted(True)
+    assert ax1.yaxis_inverted()
     ax1.plot(x, np.cos(x))
     ax0.cla()
-    assert not(ax1.yaxis_inverted())
+    assert not ax1.yaxis_inverted()
     ax1.cla()
     # 6. clearing the nonmaster should not touch limits
     ax0.imshow(img)