diff --git a/pyqtgraph/graphicsItems/ViewBox/tests/test_ViewBox.py b/pyqtgraph/graphicsItems/ViewBox/tests/test_ViewBox.py
index ff34e2ad..68f4f497 100644
--- a/pyqtgraph/graphicsItems/ViewBox/tests/test_ViewBox.py
+++ b/pyqtgraph/graphicsItems/ViewBox/tests/test_ViewBox.py
@@ -1,5 +1,6 @@
 #import PySide
 import pyqtgraph as pg
+import pytest
 
 app = pg.mkQApp()
 qtest = pg.Qt.QtTest.QTest