electrum

commit 7816edc3428f7148de1b2c4b567408b68c1d25cb
parent f93c3d79d7f9d07db14728196728188086bb10de
Author: SomberNight <somber.night@protonmail.com>
Date:   Sat,  3 Mar 2018 00:05:57 +0100

fix #4003

Diffstat:
M
lib/plugins.py
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/plugins.py b/lib/plugins.py
@@ -502,7 +502,8 @@ class DeviceMgr(ThreadJob, PrintError):
         info = infos[c]
         # save new label
         keystore.set_label(info.label)
-        handler.win.wallet.save_keystore()
+        if handler.win.wallet is not None:
+            handler.win.wallet.save_keystore()
         return info
 
     def scan_devices(self):