fix for empty sfi_config

diff --git a/sface/screens/configscreen.py b/sface/screens/configscreen.py
index 3f2440e..80105a4 100644 (file)
--- a/sface/screens/configscreen.py
+++ b/sface/screens/configscreen.py
@@ -19,7 +19,7 @@ class ConfigWidget(QWidget):
                 if config.is_true(config.get(field)):
                     edit.setCheckState(Qt.Checked)
             else:
-                edit=QLineEdit(config.get(field), self)
+                edit=QLineEdit(config.get(field) or "", self)
                 edit.setAttribute(Qt.WA_MacShowFocusRect, 0)
             setattr(self,field,edit)