try with arg

Author: blink1073

.evergreen/run-tests.sh

@@ -37,10 +37,6 @@ cleanup_tests() {
 trap "cleanup_tests" SIGINT ERR
 
 # Start the test runner.
-if [ -n "${UV_PYTHON:-}" ]; then
-  echo "Using UV_PYTHON=$UV_PYTHON"
-fi
-set -x
-uv run ${UV_ARGS} --python $UV_PYTHON --reinstall-package pymongo .evergreen/scripts/run_tests.py "$@"
+uv run ${UV_ARGS} --reinstall-package pymongo .evergreen/scripts/run_tests.py "$@"
 
 cleanup_tests

.evergreen/scripts/setup_tests.py

@@ -154,6 +154,10 @@ def handle_test_env() -> None:
     # Start compiling the args we'll pass to uv.
     UV_ARGS = ["--extra test --no-group dev"]
 
+    # If UV_PYTHON is set, add it to args.
+    if is_set("UV_PYTHON"):
+        UV_ARGS.extend(["--python", os.environ["UV_PYTHON"]])
+
     test_title = test_name
     if sub_test_name:
         test_title += f" {sub_test_name}"