From cdbd77898a82eb8707d4954fc787789bdd6b587a Mon Sep 17 00:00:00 2001
From: Jeffrey Kinard <jeff@thekinards.com>
Date: Wed, 6 Dec 2023 14:22:58 -0500
Subject: [PATCH] [yaml] fix yaml label appending

Signed-off-by: Jeffrey Kinard <jeff@thekinards.com>
---
 sdks/python/apache_beam/yaml/yaml_transform.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sdks/python/apache_beam/yaml/yaml_transform.py b/sdks/python/apache_beam/yaml/yaml_transform.py
index ff5547db034c..8a5ccb3bb8b0 100644
--- a/sdks/python/apache_beam/yaml/yaml_transform.py
+++ b/sdks/python/apache_beam/yaml/yaml_transform.py
@@ -962,7 +962,9 @@ def expand(self, pcolls):
     python_provider = yaml_provider.InlineProvider({})
 
     options = pipeline.options.view_as(GoogleCloudOptions)
-    options.labels = ["yaml=true"]
+    if not options.labels:
+      options.labels = []
+    options.labels += ["yaml=true"]
 
     result = expand_transform(
         self._spec,