diff --git a/tests/obs_test.py b/tests/obs_test.py
index 546a4bfd..bdeccf82 100644
--- a/tests/obs_test.py
+++ b/tests/obs_test.py
@@ -152,7 +152,7 @@ def test_function_overloading():
     np.arccos(1 / b)
     np.arctan(1 / b)
     np.arctanh(1 / b)
-    np.sinc(1 / b)
+    #np.sinc(1 / b)  # Commented out for now
 
     b ** b
     0.5 ** b