Attempt at passing Qt 4 CI pipelines

pyqtgraph/parametertree/parameterTypes.py

@@ -199,6 +199,7 @@ class WidgetParameterItem(ParameterItem):
     def valueChanged(self, param, val, force=False):
         ## called when the parameter's value has changed
         ParameterItem.valueChanged(self, param, val)
+        val = self.param.value()  # val might not have been current
         if force or not fn.eq(val, self.widget.value()):
             try:
                 self.widget.sigChanged.disconnect(self.widgetValueChanged)