fix KeyError when curves are removed concurrently (#37)

ros-visualization · Sep 9, 2019 · b8e5cdd · b8e5cdd
1 parent c2cd1ef
commit b8e5cdd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/rqt_plot/data_plot/__init__.py b/src/rqt_plot/data_plot/__init__.py
@@ -314,7 +314,11 @@ def _do_redraw(self):
             self._merged_autoscale()
             for curve_id in self._curves:
                 curve = self._curves[curve_id]
-                self._data_plot_widget.set_values(curve_id, curve['x'], curve['y'])
+                try:
+                    self._data_plot_widget.set_values(curve_id, curve['x'], curve['y'])
+                except KeyError:
+                    # skip curve which has been removed in the mean time
+                    pass
             self._data_plot_widget.redraw()
 
     def _get_curve(self, curve_id):