From ef9cac09d21b3485ec4f061a7508fccb186acc94 Mon Sep 17 00:00:00 2001
From: Benjamin Bean <bbean@sandia.gov>
Date: Fri, 24 Jan 2025 18:17:35 -0700
Subject: [PATCH] fix matplotlib support on Mac

---
 opencsp/__init__.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/opencsp/__init__.py b/opencsp/__init__.py
index 15b8bd1bb..04977feb3 100644
--- a/opencsp/__init__.py
+++ b/opencsp/__init__.py
@@ -18,6 +18,15 @@
 import copy
 import sys
 import argparse
+import platform
+
+
+if platform.system() == 'Darwin':
+    # On Mac, force matplotlib to use the TkAgg.
+    # Maybe we consider doing this for all systems?
+    import matplotlib
+
+    matplotlib.use('TkAgg')
 
 
 def _opencsp_settings_dirs() -> list[str]: