mo.db: Úklid v importech

mo/db.py

@@ -3,7 +3,6 @@
 
 import datetime
 from enum import Enum as PythonEnum, auto
-from mo.util_format import timedelta, time_and_timedelta
 import re
 from sqlalchemy import \
     Boolean, Column, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint, \
@@ -17,6 +16,7 @@ from sqlalchemy.ext.declarative import declarative_base
 from typing import Optional, List
 
 import mo
+from mo.util_format import timedelta, time_and_timedelta
 
 # HACK: Work-around for https://github.com/dropbox/sqlalchemy-stubs/issues/114
 from typing import TYPE_CHECKING, TypeVar, Type, Any