From aea1b0a1e98e145424b825b2f9666e404fdccac4 Mon Sep 17 00:00:00 2001
From: Wolf Byttner <wolf@byttner.org>
Date: Sat, 6 Apr 2024 19:50:19 +0100
Subject: [PATCH] Fix deprecated gca argument

---
 traja/plotting.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/traja/plotting.py b/traja/plotting.py
index c4ab66df..b5b69871 100644
--- a/traja/plotting.py
+++ b/traja/plotting.py
@@ -814,7 +814,7 @@ def plot_surface(
     Z = np.sqrt(U * U + V * V)
 
     fig = plt.figure()
-    ax = fig.gca(projection="3d")
+    ax = fig.add_subplot(projection='3d')
     ax.plot_surface(
         X, Y, Z, cmap= cmap, linewidth=0, **surfaceplot_kws
     )