From bdf05d96be3adfa9cfe3f8df3153b0cf42dc85d7 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <anewusername@gmail.com>
Date: Fri, 8 Jan 2021 23:14:44 -0800
Subject: [PATCH] fix numpy warning about indexing with a list

---
 gridlock/draw.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gridlock/draw.py b/gridlock/draw.py
index 6865c5d..15a6bff 100644
--- a/gridlock/draw.py
+++ b/gridlock/draw.py
@@ -361,9 +361,9 @@ def draw_extrude_rectangle(self,
         fpart = z - floor(z)
         mult = [1-fpart, fpart][::s]  # reverses if s negative
 
-        eps = mult[0] * grid[ind]
+        eps = mult[0] * grid[tuple(ind)]
         ind[direction] += 1
-        eps += mult[1] * grid[ind]
+        eps += mult[1] * grid[tuple(ind)]
 
         def f_eps(xs, ys, zs, i=i, eps=eps) -> numpy.ndarray:
             # transform from natural position to index