From c9bdc9609cfeeff8328fb90b04e915c778419a09 Mon Sep 17 00:00:00 2001
From: jan iversen <jan@casacondor.com>
Date: Wed, 21 Apr 2021 11:46:40 +0200
Subject: [PATCH] Do not close non existing clients in modbus (#49489)

* Only close if _client is present.

* Remove del.
---
 homeassistant/components/modbus/modbus.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/homeassistant/components/modbus/modbus.py b/homeassistant/components/modbus/modbus.py
index 6784357f1e8..44dd330f6ef 100644
--- a/homeassistant/components/modbus/modbus.py
+++ b/homeassistant/components/modbus/modbus.py
@@ -209,11 +209,11 @@ class ModbusHub:
         """Disconnect client."""
         with self._lock:
             try:
-                self._client.close()
-                del self._client
-                self._client = None
+                if self._client:
+                    self._client.close()
+                    self._client = None
             except ModbusException as exception_error:
-                self._log_error(exception_error, error_state=False)
+                self._log_error(exception_error)
                 return
 
     def connect(self):