Work on file uploads and session proposals

app/routers/event_person.py

@@ -1,4 +1,4 @@
-import datetime
+import datetime, secrets
 from fastapi import APIRouter, Body, Depends, Header, HTTPException, Query, status
 from pydantic import BaseModel, EmailStr, Field
 from typing import Dict, List, Optional, Set, Union
@@ -14,6 +14,7 @@ from app.methods.person_methods import create_person_obj, load_person_obj
 from app.methods.user_methods import create_user_obj, load_user_obj, update_user_obj
 # from app.methods.user_load_methods import load_user_obj
 
+from app.models.common_field_schema import default_num_bytes
 from app.models.event_person_models import Event_Person_New_Base, Event_Person_Base
 from app.models.person_models import Person_Base
 from app.models.response_models import Resp_Body_Base, mk_resp