scanwidget: value may be None

This commit is contained in:
Sebastien Bourdeauducq 2016-06-11 16:48:58 -06:00
parent 2912515e5c
commit 60d8e30ecd
1 changed files with 2 additions and 0 deletions

View File

@ -71,6 +71,8 @@ class ScanWidget(QtWidgets.QWidget):
self._setView(left, scale)
def _clamp(self, v):
if v is None:
return None
if self._min is not None:
v = max(self._min, v)
if self._max is not None: