diff --git a/script/KR84_test_plot.py b/script/KR84_test_plot.py
index a857a96..928e69f 100644
--- a/script/KR84_test_plot.py
+++ b/script/KR84_test_plot.py
@@ -26,11 +26,11 @@ m.setLabelPaint(Color.BLACK)
 
 
 #Y error plot
-py.setStyle(py.Style.ErrorY)
-py.setLegendVisible(True)
+py2.setStyle(py.Style.ErrorY)
+py2.setLegendVisible(True)
 
 sy1 = LinePlotErrorSeries("F2")
-py.addSeries(sy1)
+py2.addSeries(sy1)
 sy1.setLinesVisible(False)
 sy1.appendData(1.0, 10.0, 9.0, 11.0)
 sy1.appendData(10.0, 6.1, 4.34, 7.54)
@@ -38,9 +38,9 @@ sy1.appendData(17.8, 4.5, 3.1, 5.8)
 
 
 
-m=py.addMarker(2.0, py.AxisId.X, "Text1",py.background)
+m=py2.addMarker(2.0, py.AxisId.X, "Text1",py2.background)
 m.setLabelPaint(Color.BLACK)
-m=py.addMarker(10.0, py.AxisId.X, "Text2",py.background)
+m=py2.addMarker(10.0, py.AxisId.X, "Text2",py2.background)
 m.setLabelPaint(Color.BLACK)
-m=py.addMarker(17.8, py.AxisId.X, "Text3",py.background)
+m=py2.addMarker(17.8, py.AxisId.X, "Text3",py2.background)
 m.setLabelPaint(Color.BLACK)