From 6bd72c3ff5609cbeda99ce41c3d180a6e3ff6262 Mon Sep 17 00:00:00 2001
From: Rob Bierbooms <mail@robbierbooms.nl>
Date: Thu, 24 Sep 2020 22:50:30 +0200
Subject: [PATCH] Fix connection validation during import for dsmr integration
 (#40548)

* Close transport when equipment identifier is received

* Minor fix
---
 homeassistant/components/dsmr/config_flow.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/dsmr/config_flow.py b/homeassistant/components/dsmr/config_flow.py
index d0d0304a02a..724f9393fbf 100644
--- a/homeassistant/components/dsmr/config_flow.py
+++ b/homeassistant/components/dsmr/config_flow.py
@@ -48,9 +48,9 @@ class DSMRConnection:
         """Test if we can validate connection with the device."""
 
         def update_telegram(telegram):
-            self._telegram = telegram
-
-            transport.close()
+            if obis_ref.EQUIPMENT_IDENTIFIER in telegram:
+                self._telegram = telegram
+                transport.close()
 
         if self._host is None:
             reader_factory = partial(