Fix linters

Author: vsdudakov

examples/fastapi_ponyorm/example.py

@@ -2,7 +2,7 @@
 
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from models import db, BaseEvent, Event, Tournament, User
+from models import BaseEvent, Event, Tournament, User, db
 from pony.orm import db_session
 
 from fastadmin import PonyORMInlineModelAdmin, PonyORMModelAdmin, action, display
@@ -81,7 +81,6 @@ async def name_with_price(self, obj):
 def init_db():
     db.bind(provider="sqlite", filename=":sharedmemory:")
     db.generate_mapping(create_tables=True)
-    pass
 
 
 @db_session

examples/fastapi_ponyorm/models.py

@@ -1,9 +1,8 @@
-from datetime import date, datetime, time
+from datetime import UTC, date, datetime, time
 from decimal import Decimal
 from enum import Enum
 
-from pony.orm import *
-
+from pony.orm import Database, Json, LongStr, Optional, PrimaryKey, Required, Set
 
 db = Database()
 
@@ -19,7 +18,7 @@ class BaseModel:
     updated_at = Required(datetime, default=datetime.utcnow)
 
     def before_update(self):
-        self.updated_at = datetime.utcnow()
+        self.updated_at = datetime.now(tz=UTC)
 
     @classmethod
     def get_model_name(cls):

tests/models/test_helpers.py

@@ -2,7 +2,6 @@
 from fastadmin.models.helpers import (
     generate_models_schema,
     get_admin_model,
-    get_admin_models,
     register_admin_model_class,
     unregister_admin_model_class,
 )