DeMorgans the logic for better readability.

2019-06-07 00:00:30 -07:00 · 2019-06-07 00:00:30 -07:00 · a2fb00633a
commit a2fb00633a
parent 654b76e6a3
1 changed files with 3 additions and 3 deletions
--- a/pyqtgraph/graphicsItems/ErrorBarItem.py
+++ b/pyqtgraph/graphicsItems/ErrorBarItem.py
@ -46,10 +46,10 @@ class ErrorBarItem(GraphicsObject):
        This method was added in version 0.9.9. For prior versions, use setOpts.
        """
        self.opts.update(opts)
-        if self.opts['x'] is not None and self.opts['y'] is not None:
-            self.setVisible(True)
-        else:
+        if self.opts['x'] is None or self.opts['y'] is None:
            self.setVisible(False)
+        else:
+            self.setVisible(True)
        self.path = None
        self.update()
        self.prepareGeometryChange()