From aac7a34405575a238964d6e429ebaf90ecd03fc6 Mon Sep 17 00:00:00 2001
From: RGauthamRam <30320759+RGauthamRam@users.noreply.github.com>
Date: Thu, 30 Aug 2018 14:35:01 +0000
Subject: [PATCH] Update __init__.py (#4668)

Resolving the issue #4363
---
 electrum/gui/qt/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/electrum/gui/qt/__init__.py b/electrum/gui/qt/__init__.py
index 7fa7f4e5e..b49826c66 100644
--- a/electrum/gui/qt/__init__.py
+++ b/electrum/gui/qt/__init__.py
@@ -260,7 +260,8 @@ class ElectrumGui:
         return w
 
     def close_window(self, window):
-        self.windows.remove(window)
+        if window in self.windows:
+           self.windows.remove(window)
         self.build_tray_menu()
         # save wallet path of last open window
         if not self.windows: