From fc2fbe9812a1b37ae14205b20f71ce9f5bf83ecd Mon Sep 17 00:00:00 2001
From: Griatch <griatch@gmail.com>
Date: Wed, 12 Feb 2020 23:13:52 +0100
Subject: [PATCH] Don't allow step_task if task is None. Resolves #2047

---
 evennia/scripts/scripts.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/evennia/scripts/scripts.py b/evennia/scripts/scripts.py
index 2f9bb5d5e2..daf7386f4c 100644
--- a/evennia/scripts/scripts.py
+++ b/evennia/scripts/scripts.py
@@ -209,6 +209,9 @@ class ScriptBase(ScriptDB, metaclass=TypeclassBase):
         Step task runner. No try..except needed due to defer wrap.
 
         """
+        if not self.ndb._task:
+            # if there is no task, we have no business using this method
+            return
 
         if not self.is_valid():
             self.stop()