From c472fb6b2744b36c7a0823c20e0d5ac9be3ea623 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 23 Jun 2017 15:21:24 +0200
Subject: [PATCH] bpo-30602: Fix lastarg in os.spawnve() (#2287) (#2357)

Fix a regression introduced by myself in the commit
526b22657cb18fe79118c2ea68511aca09430c2c.
(cherry picked from commit c8d6ab2e25ff212702d387e516e258b1d8c52910)
---
 Modules/posixmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 0a9123b61b..11aaeef02b 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -5189,7 +5189,7 @@ os_spawnve_impl(PyObject *module, int mode, path_t *path, PyObject *argv,
             goto fail_1;
         }
         if (i == 0 && !argvlist[0][0]) {
-            lastarg = i;
+            lastarg = i + 1;
             PyErr_SetString(
                 PyExc_ValueError,
                 "spawnv() arg 2 first element cannot be empty");
-- 
2.50.0