tfix: crash when closing qrscanner window (see #3546) - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
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       ---
   DIR commit f231349673285e7a70465dc1726c4243f9a35d98
   DIR parent 3851e78454f559ec4368a4b04dd61c2b9a1f9dc1
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Sun, 17 Dec 2017 21:11:25 +0100
       
       fix: crash when closing qrscanner window (see #3546)
       
       Diffstat:
         M gui/qt/qrtextedit.py                |       2 ++
       
       1 file changed, 2 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/gui/qt/qrtextedit.py b/gui/qt/qrtextedit.py
       t@@ -56,6 +56,8 @@ class ScanQRTextEdit(ButtonsTextEdit, MessageBoxMixin):
                except BaseException as e:
                    self.show_error(str(e))
                    data = ''
       +        if not data:
       +            data = ''
                self.setText(data)
                return data