From 0300ef2040c680efcb47afb8e1b9a23602712d7c Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <paulus@home-assistant.io>
Date: Wed, 23 Jan 2019 16:33:21 -0800
Subject: [PATCH] Fix entity registry comments (#20357)

---
 homeassistant/helpers/entity_registry.py | 4 ++--
 tests/helpers/test_entity_registry.py    | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/homeassistant/helpers/entity_registry.py b/homeassistant/helpers/entity_registry.py
index 82530708838..e4f266854ef 100644
--- a/homeassistant/helpers/entity_registry.py
+++ b/homeassistant/helpers/entity_registry.py
@@ -127,8 +127,8 @@ class EntityRegistry:
                 device_id=device_id,
                 # When we changed our slugify algorithm, we invalidated some
                 # stored entity IDs with either a __ or ending in _.
-                # Fix introduced in 0.86 (Jan 23, 2018). Next line can be
-                # removed when we release 1.0 or in 2019.
+                # Fix introduced in 0.86 (Jan 23, 2019). Next line can be
+                # removed when we release 1.0 or in 2020.
                 new_entity_id='.'.join(slugify(part) for part
                                        in entity_id.split('.', 1)))
 
diff --git a/tests/helpers/test_entity_registry.py b/tests/helpers/test_entity_registry.py
index ef7b4a60ee2..b1c13a36c6d 100644
--- a/tests/helpers/test_entity_registry.py
+++ b/tests/helpers/test_entity_registry.py
@@ -240,6 +240,10 @@ async def test_loading_invalid_entity_id(hass, hass_storage):
                     'entity_id': 'test.invalid_end_',
                     'platform': 'super_platform',
                     'unique_id': 'id-invalid-end',
+                }, {
+                    'entity_id': 'test._invalid_start',
+                    'platform': 'super_platform',
+                    'unique_id': 'id-invalid-start',
                 }
             ]
         }
@@ -256,3 +260,8 @@ async def test_loading_invalid_entity_id(hass, hass_storage):
         'test', 'super_platform', 'id-invalid-end')
 
     assert valid_entity_id(entity_invalid_end.entity_id)
+
+    entity_invalid_start = registry.async_get_or_create(
+        'test', 'super_platform', 'id-invalid-start')
+
+    assert valid_entity_id(entity_invalid_start.entity_id)
-- 
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