diff --git a/backend/open_webui/retrieval/utils.py b/backend/open_webui/retrieval/utils.py
index 371a2313eb..6d7aec94f7 100644
--- a/backend/open_webui/retrieval/utils.py
+++ b/backend/open_webui/retrieval/utils.py
@@ -641,7 +641,7 @@ def merge_and_sort_query_results(query_results: list[dict], k: int) -> dict:
             if isinstance(document, str):
                 doc_hash = (metadata or {}).get(CHUNK_HASH_KEY) or _content_hash(document)
 
-                if doc_hash not in combined.keys():
+                if doc_hash not in combined:
                     combined[doc_hash] = (distance, document, metadata)
                     continue  # if doc is new, no further comparison is needed
 
diff --git a/backend/open_webui/routers/users.py b/backend/open_webui/routers/users.py
index 2078ebc0c4..d736c038bc 100644
--- a/backend/open_webui/routers/users.py
+++ b/backend/open_webui/routers/users.py
@@ -515,7 +515,7 @@ async def update_user_settings_by_session_user(
     if (
         user.role != 'admin'
         and ui_settings is not None
-        and 'toolServers' in ui_settings.keys()
+        and 'toolServers' in ui_settings
         and not await has_permission(
             user.id,
             'features.direct_tool_servers',