From 9e0b427893b65b220faf8a31a6afdc67f6f41364 Mon Sep 17 00:00:00 2001
From: Lidi Zheng <lidiz@google.com>
Date: Tue, 29 Sep 2020 14:44:59 -0700
Subject: [PATCH] Use != with literals

---
 src/python/grpcio/commands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index 5b21daaf444..8240beb2958 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -101,7 +101,7 @@ class SphinxDocumentation(setuptools.Command):
         target_dir = os.path.join(GRPC_STEM, 'doc', 'build')
         exit_code = sphinx.cmd.build.build_main(
             ['-b', 'html', '-W', '--keep-going', source_dir, target_dir])
-        if exit_code is not 0:
+        if exit_code != 0:
             raise CommandError(
                 "Documentation generation has warnings or errors")