matplotlib
diff --git a/‎lib/mpl_toolkits/axes_grid1/inset_locator.py
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+1-4Lines changed: 1 addition & 4 deletions b/‎lib/mpl_toolkits/axes_grid1/inset_locator.py
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+1-4Lines changed: 1 addition & 4 deletions
diff --git a/‎lib/mpl_toolkits/tests/baseline_images/test_axes_grid1/inverted_zoomed_axes.png
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25.4 KB b/‎lib/mpl_toolkits/tests/baseline_images/test_axes_grid1/inverted_zoomed_axes.png
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diff --git a/‎lib/mpl_toolkits/tests/baseline_images/test_axes_grid1/zoomed_axes.png
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25.3 KB b/‎lib/mpl_toolkits/tests/baseline_images/test_axes_grid1/zoomed_axes.png
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diff --git a/‎lib/mpl_toolkits/tests/test_axes_grid1.py
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+17Lines changed: 17 additions & 0 deletions b/‎lib/mpl_toolkits/tests/test_axes_grid1.py
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+17Lines changed: 17 additions & 0 deletions
@@ -138,13 +138,10 @@ def get_extent(self, renderer):
                              self.parent_axes.transData)
 
         x, y, w, h = bb.bounds
-
-        xd, yd = 0, 0
-
         fontsize = renderer.points_to_pixels(self.prop.get_size_in_points())
         pad = self.pad * fontsize
 
-        return w*self.zoom+2*pad, h*self.zoom+2*pad, xd+pad, yd+pad
+        return abs(w*self.zoom)+2*pad, abs(h*self.zoom)+2*pad, pad, pad
 
 
 class BboxPatch(Patch):
 
@@ -154,3 +154,20 @@ def get_demo_image():
                           pad=0.1, borderpad=0.5, sep=5,
                           frameon=False)
     ax.add_artist(asb)
+
+
+@image_comparison(baseline_images=['zoomed_axes',
+                                   'inverted_zoomed_axes'],
+                  extensions=['png'])
+def test_zooming_with_inverted_axes():
+    fig, ax = plt.subplots()
+    ax.plot([1, 2, 3], [1, 2, 3])
+    ax.axis([1, 3, 1, 3])
+    inset_ax = zoomed_inset_axes(ax, zoom=2.5, loc=4)
+    inset_ax.axis([1.1, 1.4, 1.1, 1.4])
+
+    fig, ax = plt.subplots()
+    ax.plot([1, 2, 3], [1, 2, 3])
+    ax.axis([3, 1, 3, 1])
+    inset_ax = zoomed_inset_axes(ax, zoom=2.5, loc=4)
+    inset_ax.axis([1.4, 1.1, 1.4, 1.1])