From 9c5f1ec0f7348563ebf558d19d53ccbfd2ad1baf Mon Sep 17 00:00:00 2001
From: Remco de Boer <29308176+redeboer@users.noreply.github.com>
Date: Thu, 5 Sep 2024 21:58:40 +0200
Subject: [PATCH] FIX: do not duplicate `nbstripout` `--extra-keys` (#389)

---
 src/compwa_policy/check_dev_files/nbstripout.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compwa_policy/check_dev_files/nbstripout.py b/src/compwa_policy/check_dev_files/nbstripout.py
index f2b3437e..4c7f0b45 100644
--- a/src/compwa_policy/check_dev_files/nbstripout.py
+++ b/src/compwa_policy/check_dev_files/nbstripout.py
@@ -42,8 +42,8 @@ def main(precommit: ModifiablePrecommit, allowed_cell_metadata: list[str]) -> No
     existing_hooks = repo["hooks"]
     if existing_hooks:
         args = existing_hooks[0].get("args", [])
-        if len(args) >= 2:  # noqa: PLR2004
-            existing_keys = {line.strip() for line in args[1].split("\n")}
+        if len(args) >= 3:  # noqa: PLR2004
+            existing_keys = {line.strip() for line in args[2].split("\n")}
             existing_keys = {key for key in existing_keys if key}
             extra_keys_argument.update(existing_keys)
     expected_repo = Repo(