diff --git a/tests/functional/test_python_option.py b/tests/functional/test_python_option.py
index 4fafde2a8b2..596d509a05d 100644
--- a/tests/functional/test_python_option.py
+++ b/tests/functional/test_python_option.py
@@ -14,7 +14,17 @@ def test_python_interpreter(
     env_path = os.fsdecode(tmpdir / "venv")
     env = EnvBuilder(with_pip=False)
     env.create(env_path)
-
+    for f in (tmpdir / "venv").rglob("*"):
+        print(f)
+    print((tmpdir / "venv/pyvenv.cfg").read_text())
+    r = script.run(
+        str(tmpdir / "venv" / "bin" / "python"),
+        "-v",
+        "-c",
+        "import sys, os, pprint; "
+        "print(os.environ.get('PYTHONPATH', '<None>')); pprint.pprint(sys.path)",
+    )
+    print(r.stdout)
     result = script.pip("--python", env_path, "list", "--format=json")
     assert json.loads(result.stdout) == []
     script.pip(