Make curve property a bit more resilient

bliss/flint/widgets/curve_plot_property.py

@@ -902,8 +902,8 @@ class CurvePlotPropertyWidget(qt.QWidget):
         else:
             plotModel = None
             scanModel = None
-        self.__plotModelUpdated(plotModel)
         self.__currentScanChanged(scanModel)
+        self.__plotModelUpdated(plotModel)
 
     def __plotModelUpdated(self, plotModel):
         self.setPlotModel(plotModel)
@@ -1074,6 +1074,10 @@ class CurvePlotPropertyWidget(qt.QWidget):
 
         model = self.__tree.model()
         model.clear()
+        if self.__plotModel is None:
+            return
+        if self.__scan is None:
+            return
 
         if self.__plotModel is None:
             model.setHorizontalHeaderLabels([""])

bliss/flint/widgets/delegates.py

@@ -449,7 +449,6 @@ class StylePropertyWidget(qt.QWidget):
                     self.__legend.setLineStyle(lineStyle)
                     self.__legend.setLineWidth(1.5)
             except Exception:
-                _logger.error("Error while reaching style", exc_info=True)
                 self.__legend.setLineColor("grey")
                 self.__legend.setLineStyle(":")
                 self.__legend.setLineWidth(1.5)