Be explicit about slicing

eric-wieser · eric-wieser · commit 46905769b78e · 2017-07-14T00:13:55.000+01:00
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2831,7 +2831,7 @@ def permutation_matrices(n):
                         boundary_found(p0 + square_rot, color[i0])
 
                     # draw middle faces
-                    for r1, r2 in zip(rinds, rinds[1:]):
+                    for r1, r2 in zip(rinds[:-1], rinds[1:]):
                         p1 = permute.dot([p, q, r1])
                         p2 = permute.dot([p, q, r2])
 
