diff --git a/.github/workflows/distribute.yml b/.github/workflows/distribute.yml
index 5e5e14e..bd7fa37 100644
--- a/.github/workflows/distribute.yml
+++ b/.github/workflows/distribute.yml
@@ -142,17 +142,8 @@ jobs:
                   --event workflow_dispatch \
                   --limit 10 \
                   --json databaseId,createdAt \
-                  | python3 -c '
-            import json
-            import sys
-
-            dispatched_at = sys.argv[1]
-            runs = json.load(sys.stdin)
-            print(next(
-                (run["databaseId"] for run in runs if run["createdAt"] >= dispatched_at),
-                "",
-            ))
-            ' "$dispatched_at"
+                  | python3 -c "import json,sys; t=sys.argv[1]; print(next((r['databaseId'] for r in json.load(sys.stdin) if r['createdAt']>=t), ''))" \
+                  "$dispatched_at"
               )
               if [ -n "$run_id" ]; then
                 break
diff --git a/tests/test_release_workflows.py b/tests/test_release_workflows.py
index 1aeea83..6d5f681 100644
--- a/tests/test_release_workflows.py
+++ b/tests/test_release_workflows.py
@@ -175,6 +175,11 @@ def test_space_pin_is_dispatched_before_the_factory_rebuild() -> None:
     assert "pin-library.yml" in script
     assert "RAIW_HF_SPACE_TOKEN secret is not set" in script
     assert "restart_space" in script
+    # Nested YAML indent inside python -c crashed 0.40.1's waiter with
+    # IndentationError before it could see the dispatched pin run.
+    waiter = re.search(r"python3 -c \"(.*?)\"", script)
+    assert waiter is not None
+    assert waiter.group(1).lstrip() == waiter.group(1)
 
 
 @pytest.mark.skipif(os.name != "posix" or shutil.which("bash") is None, reason="Executes an Ubuntu Bash workflow")