fix bad indexing when returning a scalar

phobson · OceanWolf · commit d95db3c7e51f · 2015-09-14T00:42:59.000+02:00
diff --git a/lib/matplotlib/colors.py b/lib/matplotlib/colors.py
@@ -1034,11 +1034,9 @@ def __call__(self, value, clip=None):
                                   mask=mask)
 
             x, y = [vmin, vcenter, vmax], [0, 0.5, 1]
+            # returns a scalar if shape == (1,)
             result = np.ma.masked_array(np.interp(value, x, y))
 
-        if is_scalar:
-            result = result[0]
-
         return result
 
     def autoscale_None(self, A):
