From fee2bce1aa007e207a24c167ecf7681fc7f88959 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 14 Jun 2023 13:31:57 -0700
Subject: [PATCH] CI/TST: Mark test_to_read_gcs as single_cpu

---
 pandas/tests/io/test_gcs.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pandas/tests/io/test_gcs.py b/pandas/tests/io/test_gcs.py
index d82cfd5bd169d..bdea24f7bb5aa 100644
--- a/pandas/tests/io/test_gcs.py
+++ b/pandas/tests/io/test_gcs.py
@@ -44,6 +44,8 @@ def ls(self, path, **kwargs):
 
 
 @td.skip_if_no("gcsfs")
+# Patches pyarrow; other processes should not pick up change
+@pytest.mark.single_cpu
 @pytest.mark.parametrize("format", ["csv", "json", "parquet", "excel", "markdown"])
 def test_to_read_gcs(gcs_buffer, format, monkeypatch, capsys):
     """