xfail one more

Author: dcherian

tests/test_properties.py

@@ -79,6 +79,10 @@ def test_groupby_reduce(data, array, func: str) -> None:
     # arg* with nans in array are weird
     assume("arg" not in func and not np.any(isnull(array).ravel()))
 
+    # TODO: funny bugs with overflows here
+    is_cftime = _contains_cftime_datetimes(array)
+    assume(not (is_cftime and func == "prod"))
+
     axis = -1
     by = data.draw(
         by_arrays(
@@ -123,7 +127,6 @@ def test_groupby_reduce(data, array, func: str) -> None:
         else:
             cast_to = None
 
-        is_cftime = _contains_cftime_datetimes(array)
         if array.dtype.kind in "Mm":
             array = array.view(np.int64)
             cast_to = array.dtype