fix

12 years ago · 1573e71af9
1 changed files with 1 additions and 1 deletions
--- a/lib/gui_qt.py
+++ b/lib/gui_qt.py
@ -150,7 +150,7 @@ class QRCodeWidget(QWidget):
            self.update()
    def update_qr(self):
-        if not self.qr:
+        if self.addr and not self.qr:
            self.qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
            self.qr.addData(self.addr)
            self.qr.make()