fix: fix circular import caused by type annotations

schemas/biocommons.py

@@ -4,10 +4,11 @@
 These are the core schemas we use for storing/representing users
 and their metadata
 """
+from __future__ import annotations
 
 import re
 from datetime import datetime
-from typing import Annotated, List, Literal, Optional, Self
+from typing import TYPE_CHECKING, Annotated, List, Literal, Optional, Self
 
 from fastapi import Path
 from pydantic import (
@@ -22,9 +23,11 @@
 import db
 import schemas
 from auth0.user_info import UserInfo
-from db import models
 from db.types import ApprovalStatusEnum, GroupMembershipData, PlatformMembershipData
 
+if TYPE_CHECKING:
+    from db import models
+
 # From Auth0 password settings
 ALLOWED_SPECIAL_CHARS = "!@#$%^&*"
 VALID_PASSWORD_REGEX = re.compile(