Backport PR #10588: Bugfix in axes3d not raising an exception

timhoffm · MeeseeksDev[bot] · commit 9317fc194817 · 2018-02-24T19:17:25.000Z
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2637,8 +2637,8 @@ def calc_arrow(uvw, angle=15):
         # handle args
         argi = 6
         if len(args) < argi:
-            ValueError('Wrong number of arguments. Expected %d got %d' %
-                       (argi, len(args)))
+            raise ValueError('Wrong number of arguments. Expected %d got %d' %
+                             (argi, len(args)))
 
         # first 6 arguments are X, Y, Z, U, V, W
         input_args = args[:argi]
