From 467b74d816d5376c9c6bd66f20cfe6f740d2ab8b Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Tue, 28 Feb 2017 13:30:49 -0500
Subject: [PATCH] Prevent crash when moving Tholian.

---
 sst.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sst.py b/sst.py
index 3b00bd6..234d37b 100755
--- a/sst.py
+++ b/sst.py
@@ -319,7 +319,9 @@ class Enemy:
         else:
             self.location = Coord()
             self.kdist = self.kavgd = None
-            game.enemies.remove(self)
+            # Guard prevents failure on Tholian or thingy
+            if self in game.enemies:
+                game.enemies.remove(self)
         return motion
     def __repr__(self):
         return "<%s,%s.%f>" % (self.type, self.location, self.power)        # For debugging
-- 
2.31.1