diff --git a/src/ai/backend/manager/api/session.py b/src/ai/backend/manager/api/session.py
index 032be7457d..ac033ff0b2 100644
--- a/src/ai/backend/manager/api/session.py
+++ b/src/ai/backend/manager/api/session.py
@@ -2149,9 +2149,11 @@ async def get_container_logs(
             session_name,
             owner_access_key,
             allow_stale=True,
-            kernel_loading_strategy=KernelLoadingStrategy.MAIN_KERNEL_ONLY
-            if kernel_id is None
-            else KernelLoadingStrategy.ALL_KERNELS,
+            kernel_loading_strategy=(
+                KernelLoadingStrategy.MAIN_KERNEL_ONLY
+                if kernel_id is None
+                else KernelLoadingStrategy.ALL_KERNELS
+            ),
         )
 
         if compute_session.status in DEAD_SESSION_STATUSES:
diff --git a/src/ai/backend/manager/models/group.py b/src/ai/backend/manager/models/group.py
index a80b8b2f00..7fff185ce2 100644
--- a/src/ai/backend/manager/models/group.py
+++ b/src/ai/backend/manager/models/group.py
@@ -298,9 +298,11 @@ def from_row(cls, graph_ctx: GraphQueryContext, row: Row) -> Optional[Group]:
             created_at=row["created_at"],
             modified_at=row["modified_at"],
             domain_name=row["domain_name"],
-            total_resource_slots=row["total_resource_slots"].to_json()
-            if row["total_resource_slots"] is not None
-            else {},
+            total_resource_slots=(
+                row["total_resource_slots"].to_json()
+                if row["total_resource_slots"] is not None
+                else {}
+            ),
             allowed_vfolder_hosts=row["allowed_vfolder_hosts"].to_json(),
             integration_id=row["integration_id"],
             resource_policy=row["resource_policy"],
@@ -751,7 +753,7 @@ async def delete_sessions(
         """
         from .session import SessionRow
 
-        stmt = sa.delet(SessionRow).where(SessionRow.group_id == group_id)
+        stmt = sa.delete(SessionRow).where(SessionRow.group_id == group_id)
         await db_conn.execute(stmt)
 
     @classmethod