From f061fe047d9a6ac82ccca5e6d0911b7e088bf2f0 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Thu, 7 Jul 2016 06:54:57 +0200
Subject: [PATCH] add lock to storage.write

---
 lib/wallet.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/wallet.py b/lib/wallet.py
index fd99cef7..e9c907cd 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -139,6 +139,9 @@ class WalletStorage(PrintError):
                 self.data.pop(key)
 
     def write(self):
+        with self.lock: self._write()
+
+    def _write(self):
         if threading.currentThread().isDaemon():
             self.print_error('warning: daemon thread cannot write wallet')
             return