[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

app/main.py

@@ -303,9 +303,9 @@ async def _calculate_per_user_costs(
         created_at_gte=created_at_gte,
     )
     threads_cache: dict[int, threads.Thread] = {}
-    per_user_per_model_input_tokens: dict[int, dict[gpt.OpenAIModel, int]] = (
-        defaultdict(lambda: defaultdict(int))
-    )
+    per_user_per_model_input_tokens: dict[
+        int, dict[gpt.OpenAIModel, int]
+    ] = defaultdict(lambda: defaultdict(int))
     for message in messages:
         if message["role"] != "user":
             continue