From bf89a900a3ea1e7469ac86c88564c80fd0fa3d2c Mon Sep 17 00:00:00 2001
From: Marius Vikhammer <marius.vikhammer@espressif.com>
Date: Tue, 14 Sep 2021 18:02:19 +0800
Subject: [PATCH] docs: fix docs not being able to be built locally due to
 missing env variable.

---
 docs/conf_common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/conf_common.py b/docs/conf_common.py
index c055657a71..c7640dcba0 100644
--- a/docs/conf_common.py
+++ b/docs/conf_common.py
@@ -362,7 +362,7 @@ html_static_path = ['../_static']
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'ReadtheDocsTemplatedoc'
 
-google_analytics_id = os.environ['CI_GOOGLE_ANALYTICS_ID']
+google_analytics_id = os.environ.get('CI_GOOGLE_ANALYTICS_ID', None)
 
 # -- Options for LaTeX output ---------------------------------------------