Python 2.6 fix.

productivememberofsociety666 · productivememberofsociety666 · commit 98e3dc4b766e · 2015-08-13T12:05:20.000+02:00
diff --git a/lib/mpl_toolkits/tests/test_axes_grid1.py b/lib/mpl_toolkits/tests/test_axes_grid1.py
@@ -61,7 +61,7 @@ def test_twin_axes_empty_and_removed():
         h = host_subplot(len(a), len(b), i)
         t = getattr(h, twin)()
         getattr(t, op)() if op else None
-        h.text(0.5, 0.5, twin + (" & {}".format(op) if op else ""),
+        h.text(0.5, 0.5, twin + (" & {0}".format(op) if op else ""),
             horizontalalignment="center", verticalalignment="center")
     plt.subplots_adjust(wspace=0.5, hspace=1)
 
