From fda689c8e32a5fc8e094eede13b9d99de36f26c8 Mon Sep 17 00:00:00 2001
From: jswhit <whitaker.jeffrey@gmail.com>
Date: Tue, 2 Jul 2024 15:33:46 -0600
Subject: [PATCH] attempt to fix failing windows tests

---
 src/pygrib/_pygrib.pyx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pygrib/_pygrib.pyx b/src/pygrib/_pygrib.pyx
index fd2ee85f..853fc19e 100644
--- a/src/pygrib/_pygrib.pyx
+++ b/src/pygrib/_pygrib.pyx
@@ -1318,8 +1318,9 @@ cdef class gribmessage(object):
             else:
                 missval = 1.e30
             if self.expand_reduced:
+                lonsperlat = self['pl'].astype(np.int64)
                 nx = self['pl'].max()
-                datarr = redtoreg(datarr, self['pl'], missval=missval)
+                datarr = redtoreg(datarr, lonsperlat, missval=missval)
             else:
                 nx = None
         elif self.has_key('Nx') and self.has_key('Ny'):