matplotlib
diff --git a/‎lib/mpl_toolkits/tests/test_axes_grid.py‎
Lines changed: 5 additions & 1 deletion b/‎lib/mpl_toolkits/tests/test_axes_grid.py‎
Lines changed: 5 additions & 1 deletion
@@ -43,7 +43,11 @@ def test_imagegrid_cbar_mode_edge():
 
         for ax in grid:
             ax.cax.cla()
-            cb = ax.cax.colorbar(ax.images[0])
+            ax.cax.colorbar(ax.images[0])
+            # Remove the callback because we are putting colorbars onto
+            # the same cax
+            ax.images[0].callbacksSM.disconnect(ax.images[0].colorbar_cid)
+
 
 
 def test_imagegrid():