diff --git a/test/test_Data/test_kinematic_data_2D.py b/test/test_Data/test_kinematic_data_2D.py
index 7b62069d6..9cf16c073 100644
--- a/test/test_Data/test_kinematic_data_2D.py
+++ b/test/test_Data/test_kinematic_data_2D.py
@@ -11,7 +11,7 @@
 
 
 class TestKinBin(object):
-    def setup_method(self):
+    def __init__(self):
         self.numPix = 10
         self.num_bin = 4
         kwargs_kin = {