From afe869bee97cd6dd62bd6e07887ddbe52ba4f3d5 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Thu, 30 Jan 2020 09:28:06 -0800
Subject: [PATCH] Handle service calls that do not refer entity IDs (#31317)

---
 homeassistant/helpers/script.py | 4 ++++
 tests/helpers/test_script.py    | 1 +
 2 files changed, 5 insertions(+)

diff --git a/homeassistant/helpers/script.py b/homeassistant/helpers/script.py
index 378a6016c20..1cac4679d82 100644
--- a/homeassistant/helpers/script.py
+++ b/homeassistant/helpers/script.py
@@ -201,6 +201,10 @@ class Script:
                     continue
 
                 entity_ids = data.get(ATTR_ENTITY_ID)
+
+                if entity_ids is None:
+                    continue
+
                 if isinstance(entity_ids, str):
                     entity_ids = [entity_ids]
 
diff --git a/tests/helpers/test_script.py b/tests/helpers/test_script.py
index b226ed15720..5e748e3adfe 100644
--- a/tests/helpers/test_script.py
+++ b/tests/helpers/test_script.py
@@ -1043,6 +1043,7 @@ async def test_referenced_entities():
                     "entity_id": "sensor.condition",
                     "state": "100",
                 },
+                {"service": "test.script", "data": {"without": "entity_id"}},
                 {"scene": "scene.hello"},
                 {"event": "test_event"},
                 {"delay": "{{ delay_period }}"},