[gnumeric] Simplify.

[Morten Welinder <mortenw src gnome org>]

commit 3a711b329d8713cf3ebf1d798d1f1eaedca5da4a
Author: Morten Welinder <terra gnome org>
Date:   Sat Apr 17 14:05:42 2021 -0400

    Simplify.

 plugins/python-loader/gnm-py-interpreter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/python-loader/gnm-py-interpreter.c b/plugins/python-loader/gnm-py-interpreter.c
index b921bd0a3..284ac56b3 100644
--- a/plugins/python-loader/gnm-py-interpreter.c
+++ b/plugins/python-loader/gnm-py-interpreter.c
@@ -276,7 +276,7 @@ gnm_py_interpreter_compare (gconstpointer a, gconstpointer b)
 {
        const GnmPyInterpreter *int_a = a, *int_b = b;
 
-       if (int_a->plugin == NULL && int_b->plugin == NULL) {
+       if (int_a->plugin == int_b->plugin) {
                return 0;
        } else if (int_a->plugin == NULL) {
                return -1;