From 96fa7ece2529ea85936d609e6e70fe39b86b72d6 Mon Sep 17 00:00:00 2001
From: estevez-dev <vyalov.egor@gmail.com>
Date: Mon, 30 Sep 2019 21:11:37 +0300
Subject: [PATCH] Resolves #444 connection fix

---
 lib/managers/connection_manager.class.dart | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/managers/connection_manager.class.dart b/lib/managers/connection_manager.class.dart
index 063fe86..eb06438 100644
--- a/lib/managers/connection_manager.class.dart
+++ b/lib/managers/connection_manager.class.dart
@@ -100,7 +100,9 @@ class ConnectionManager {
     if (forceReconnect || !isConnected) {
       _connect().timeout(connectTimeout, onTimeout: () {
         _disconnect().then((_) {
-          completer?.completeError(HAError("Connection timeout"));
+          if (completer != null && !completer.isCompleted) {
+            completer.completeError(HAError("Connection timeout"));
+          }
         });
       }).then((_) {
         completer?.complete();