bugfix in axes3d

boazmohar · web-flow · commit 4173ba418472 · 2018-02-24T13:02:38.000-05:00
Instantiating an exception, but not raising it, has no effect. Found using lgtm.com: https://lgtm.com/projects/g/matplotlib/matplotlib/alerts/?mode=tree&severity=error&rule=1505923886371
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2632,7 +2632,7 @@ def calc_arrow(uvw, angle=15):
         # handle args
         argi = 6
         if len(args) < argi:
-            ValueError('Wrong number of arguments. Expected %d got %d' %
+            raise ValueError('Wrong number of arguments. Expected %d got %d' %
                        (argi, len(args)))
 
         # first 6 arguments are X, Y, Z, U, V, W
