From 5359be811045b95c7b93ecb1ed45fed2cd8e42a1 Mon Sep 17 00:00:00 2001
From: Moritz Kirmse <moritz.kirmse@camptocamp.com>
Date: Mon, 27 Jan 2025 19:12:50 +0100
Subject: [PATCH] fix error raising

---
 backend/maelstro/config/config.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/backend/maelstro/config/config.py b/backend/maelstro/config/config.py
index d576fef..8ed07b2 100644
--- a/backend/maelstro/config/config.py
+++ b/backend/maelstro/config/config.py
@@ -54,12 +54,12 @@ def get_access_info(
                 )
             try:
                 info = next(infos)
-            except StopIteration:
+            except StopIteration as exc:
                 raise ConfigError(
                     f"Key {instance_id} could not be found among "
                     f"configured {'geonetwork' if is_geonetwork else 'geoserver'} "
                     "source servers."
-                )
+                ) from exc
         else:
             inst_type = "geonetwork" if is_geonetwork else "geoserver"
             url_key = "api_url" if is_geonetwork else "url"
@@ -69,12 +69,12 @@ def get_access_info(
                     for name, inst in self.config["destinations"].items()
                     if name == instance_id
                 )[inst_type]
-            except StopIteration:
+            except StopIteration as exc:
                 raise ConfigError(
                     f"Key {instance_id} could not be found among "
                     f"configured {'geonetwork' if is_geonetwork else 'geoserver'} "
                     "destination servers."
-                )
+                ) from exc
             info = {
                 "auth": (instance.get("login"), instance.get("password")),
                 "url": instance[url_key],