electrum

commit 3a5a0af48f4df77bae8f4c9df1eeddbee267e4f0
parent d0025491760aab9040ba31e2683adb220fd80345
Author: SomberNight <somber.night@protonmail.com>
Date:   Tue,  6 Mar 2018 17:20:22 +0100

fix #4047

Diffstat:
M
gui/qt/main_window.py
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
@@ -664,7 +664,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             fiat_e.is_last_edited = (edit == fiat_e)
             amount = edit.get_amount()
             rate = self.fx.exchange_rate() if self.fx else None
-            if rate is None or amount is None:
+            if rate.is_nan() or amount is None:
                 if edit is fiat_e:
                     btc_e.setText("")
                     if fee_e: