ruff fixes

src/api/utils.py

@@ -1,6 +1,5 @@
 import typing as t
 
-import sqlmodel
 from pydantic import create_model
 from sqlalchemy import func
 from sqlalchemy.sql.operators import is_, is_not

src/archive/mast.py

@@ -1,9 +1,8 @@
 import re
 import typing as t
 import uuid
-from asyncio import QueueEmpty
 from dataclasses import dataclass
-from multiprocessing import Process, Queue
+from multiprocessing import Process
 from typing import Optional
 
 import numpy as np
@@ -213,7 +212,7 @@ def _get_dataset_attributes(self, signal_name: str, signal) -> dict:
         for field in metadata:
             try:
                 attrs[field] = getattr(signal, field)
-            except TypeError as exception:
+            except TypeError:
                 pass
 
         for key, attr in attrs.items():