fix openapi spec and response

cloutierMat · cloutierMat · commit 58f561f42273 · 2026-01-08T13:15:48.000-07:00
diff --git a/localstack-core/localstack/openapi.yaml b/localstack-core/localstack/openapi.yaml
@@ -1056,7 +1056,9 @@ paths:
           description: Information about init scripts in a specific stage
         '404':
           content:
-            text/xml: {}
+            text/plain:
+              schema:
+                type: string
           description: Stage not found
   /_localstack/plugins:
     get:
diff --git a/localstack-core/localstack/services/internal.py b/localstack-core/localstack/services/internal.py
@@ -8,7 +8,6 @@
 from datetime import datetime
 
 from plux import PluginManager
-from werkzeug.exceptions import NotFound
 
 from localstack import config, constants
 from localstack.deprecations import deprecated_endpoint
@@ -260,8 +259,8 @@ def on_get(self, request, stage: str):
 
         try:
             stage = Stage[stage.upper()]
-        except KeyError as e:
-            raise NotFound(f"no such stage {stage}") from e
+        except KeyError:
+            return Response(f"no such stage {stage}", 404)
 
         return {
             "completed": manager.stage_completed.get(stage),
