Handle setting/clearing data a little more robustly.

2019-06-06 23:57:34 -07:00 · 2019-06-06 23:57:34 -07:00 · 654b76e6a3
commit 654b76e6a3
parent 501ad4f082
1 changed files with 4 additions and 2 deletions
--- a/pyqtgraph/graphicsItems/ErrorBarItem.py
+++ b/pyqtgraph/graphicsItems/ErrorBarItem.py
@ -45,9 +45,11 @@ class ErrorBarItem(GraphicsObject):
        
        This method was added in version 0.9.9. For prior versions, use setOpts.
        """
-        if 'x' in opts and 'y' in opts:
-            self.setVisible(True)
        self.opts.update(opts)
+        if self.opts['x'] is not None and self.opts['y'] is not None:
+            self.setVisible(True)
+        else:
+            self.setVisible(False)
        self.path = None
        self.update()
        self.prepareGeometryChange()