applets/plot_xy_hist: do not crash when datasets are missing

2016-01-13 07:05:30 -07:00 · 2016-01-13 07:05:30 -07:00 · 8ad151b4d8
parent 7661b37c19
commit 8ad151b4d8
1 changed files with 6 additions and 3 deletions
--- a/artiq/applets/plot_xy_hist.py
+++ b/artiq/applets/plot_xy_hist.py
@ -106,9 +106,12 @@ class XYHistPlot(pyqtgraph.GraphicsWindow):
        return True

    def data_changed(self, data, mods):
+        try:
            xs = data[self.args.xs][1]
            histogram_bins = data[self.args.histogram_bins][1]
            histograms_counts = data[self.args.histograms_counts][1]
+        except KeyError:
+            return
        if self._can_use_partial(mods):
            self._set_partial_data(xs, histograms_counts)
        else: