From c02195170caa6fbeccea3c6599924612a9adf59e Mon Sep 17 00:00:00 2001
From: Matthias Veit <matthias_veit@yahoo.de>
Date: Mon, 21 Nov 2022 17:13:58 +0100
Subject: [PATCH] [fix] Persistent index creation fails.

---
 arango/collection.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arango/collection.py b/arango/collection.py
index 07b315a8..a37f140a 100644
--- a/arango/collection.py
+++ b/arango/collection.py
@@ -1248,7 +1248,7 @@ def add_persistent_index(
         sparse: Optional[bool] = None,
         name: Optional[str] = None,
         in_background: Optional[bool] = None,
-        storedValues: Sequence[str] = [],
+        storedValues: Optional[Sequence[str]] = None,
         cacheEnabled: Optional[bool] = None,
     ) -> Result[Json]:
         """Create a new persistent index.