applets: fix warning timing

2021-07-19 12:26:01 +08:00 · 2021-07-19 12:26:01 +08:00 · e996b5f635
commit e996b5f635
parent 796aeabb53
1 changed files with 2 additions and 1 deletions
--- a/artiq/applets/plot_hist.py
+++ b/artiq/applets/plot_hist.py
@ -34,7 +34,8 @@ class HistogramPlot(pyqtgraph.PlotWidget):
                      brush=(0, 0, 255, 150))
            self.setTitle(title)
        else:
-            self.timer.start(1000)
+            if not self.timer.isActive():
+                self.timer.start(1000)

    def length_warning(self):
        self.clear()