$NetBSD: patch-statsmodels_tsa_statespace___filters___inversions.pyx.in,v 1.1 2023/12/10 09:41:36 wiz Exp $

Cython 3 compatibility.
https://github.com/statsmodels/statsmodels/pull/8961/

--- statsmodels/tsa/statespace/_filters/_inversions.pyx.in.orig	2021-10-06 09:51:52.000000000 +0000
+++ statsmodels/tsa/statespace/_filters/_inversions.pyx.in
@@ -1,6 +1,7 @@
 #cython: boundscheck=False
 #cython: wraparound=False
 #cython: cdivision=False
+#cython: cpow=True
 """
 State Space Models