diff --git a/app/__main__.py b/app/__main__.py
index e1cac15..03d0918 100644
--- a/app/__main__.py
+++ b/app/__main__.py
@@ -1,10 +1,9 @@
+import asyncio
 import sys
+import time
 import traceback
 from asyncio import sleep
 from datetime import datetime
-import asyncio, sys
-
-import time
 
 from app.api import app
 from app.bot import dp as uploader_bot_dp
diff --git a/app/api/__init__.py b/app/api/__init__.py
index 86a293a..28921d3 100644
--- a/app/api/__init__.py
+++ b/app/api/__init__.py
@@ -1,6 +1,7 @@
 import traceback
 
 from sanic import Sanic, response
+
 from app.core.logger import make_log
 
 app = Sanic(__name__)
diff --git a/app/api/middleware.py b/app/api/middleware.py
index c103c27..9bf1a2f 100644
--- a/app/api/middleware.py
+++ b/app/api/middleware.py
@@ -1,12 +1,12 @@
-from app.core.models.user import User
-from app.core.models.keys import KnownKey
-from app.core.storage import Session
-from app.core.logger import make_log
-from app.core._crypto.signer import Signer
-from app.core._secrets import hot_seed
+from base58 import b58decode
 from sanic import response as sanic_response
 
-from base58 import b58encode, b58decode
+from app.core._crypto.signer import Signer
+from app.core._secrets import hot_seed
+from app.core.logger import make_log
+from app.core.models.keys import KnownKey
+from app.core.models.user import User
+from app.core.storage import Session
 
 
 async def try_authorization(request):
diff --git a/app/api/routes/_blockchain.py b/app/api/routes/_blockchain.py
index 7063d4a..946d657 100644
--- a/app/api/routes/_blockchain.py
+++ b/app/api/routes/_blockchain.py
@@ -1,15 +1,16 @@
-from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
-from app.core.content.utils import create_metadata_for_item
-from app.core.models.node_storage import StoredContent
+from base64 import b64encode
+from datetime import datetime
+
 from sanic import response
-from datetime import datetime, timedelta
+from tonsdk.boc import begin_cell, begin_dict
+from tonsdk.utils import Address
+
+from app.core._blockchain.ton.connect import TonConnect
 from app.core._blockchain.ton.platform import platform
 from app.core._config import PROJECT_HOST
-from base64 import b64encode, b64decode
-from base58 import b58decode, b58encode
 from app.core._utils.resolve_content import resolve_content
-from tonsdk.boc import begin_cell, Cell, begin_dict
-from tonsdk.utils import Address
+from app.core.content.utils import create_metadata_for_item
+from app.core.models.node_storage import StoredContent
 
 
 def valid_royalty_params(royalty_params):
diff --git a/app/api/routes/_system.py b/app/api/routes/_system.py
index 02e899b..577490f 100644
--- a/app/api/routes/_system.py
+++ b/app/api/routes/_system.py
@@ -1,12 +1,14 @@
-from sanic import response
-from base58 import b58encode, b58decode
-from app.core._secrets import hot_pubkey, service_wallet, hot_seed
-from app.core._blockchain.ton.platform import platform
-from datetime import datetime, timedelta
-from app.core.logger import make_log
-from app.core._crypto.signer import Signer
-import subprocess
 import json
+import subprocess
+from datetime import datetime
+
+from base58 import b58encode, b58decode
+from sanic import response
+
+from app.core._blockchain.ton.platform import platform
+from app.core._crypto.signer import Signer
+from app.core._secrets import hot_pubkey, service_wallet, hot_seed
+from app.core.logger import make_log
 
 
 def get_git_info():
diff --git a/app/api/routes/auth.py b/app/api/routes/auth.py
index 36a9ac0..c5e514a 100644
--- a/app/api/routes/auth.py
+++ b/app/api/routes/auth.py
@@ -1,8 +1,10 @@
+from datetime import datetime
+
+from aiogram.utils.web_app import safe_parse_webapp_init_data
 from sanic import response
+
 from app.core._config import TELEGRAM_API_KEY
 from app.core.models.user import User
-from aiogram.utils.web_app import safe_parse_webapp_init_data
-from datetime import datetime
 
 
 async def s_api_v1_auth_twa(request):
diff --git a/app/api/routes/content.py b/app/api/routes/content.py
index 811c11e..7c81e91 100644
--- a/app/api/routes/content.py
+++ b/app/api/routes/content.py
@@ -1,7 +1,7 @@
 from sanic import response
-from datetime import datetime, timedelta
-from app.core.models.node_storage import StoredContent
+
 from app.core.logger import make_log
+from app.core.models.node_storage import StoredContent
 
 
 async def s_api_v1_content_list(request):
diff --git a/app/api/routes/node_storage.py b/app/api/routes/node_storage.py
index 84689dc..30cec84 100644
--- a/app/api/routes/node_storage.py
+++ b/app/api/routes/node_storage.py
@@ -1,14 +1,16 @@
+import hashlib
+import os
+from datetime import datetime
+from mimetypes import guess_type
+
+import aiofiles
+from base58 import b58encode
 from sanic import response
+
 from app.core._config import UPLOADS_DIR
 from app.core._utils.resolve_content import resolve_content
-from app.core.models.node_storage import StoredContent
 from app.core.logger import make_log
-from datetime import datetime
-from base58 import b58encode, b58decode
-from mimetypes import guess_type
-import os
-import hashlib
-import aiofiles
+from app.core.models.node_storage import StoredContent
 
 
 async def s_api_v1_storage_post(request):
diff --git a/app/bot/routers/content.py b/app/bot/routers/content.py
index d83b7ce..d36618e 100644
--- a/app/bot/routers/content.py
+++ b/app/bot/routers/content.py
@@ -1,13 +1,9 @@
 
 from aiogram import types, Router, F
-from aiogram.filters import Command
-from app.core._utils.tg_process_template import tg_process_template
-from app.core._keyboards import get_inline_keyboard
-from app.core.logger import logger
-from app.core.models.wallet_connection import WalletConnection
-from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
-from app.core._config import WEB_APP_URLS
 
+from app.core._config import WEB_APP_URLS
+from app.core._keyboards import get_inline_keyboard
+from app.core._utils.tg_process_template import tg_process_template
 
 router = Router()
 
diff --git a/app/bot/routers/home.py b/app/bot/routers/home.py
index 5ef58df..6c57026 100644
--- a/app/bot/routers/home.py
+++ b/app/bot/routers/home.py
@@ -1,13 +1,11 @@
-from app.core._utils.tg_process_template import tg_process_template
-from app.core._keyboards import get_inline_keyboard
-from app.core.logger import logger
-from app.core.models.wallet_connection import WalletConnection
-from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
-from app.core._config import WEB_APP_URLS
 from aiogram import types, Router, F
 from aiogram.filters import Command
 from tonsdk.utils import Address
 
+from app.core._blockchain.ton.connect import TonConnect
+from app.core._keyboards import get_inline_keyboard
+from app.core._utils.tg_process_template import tg_process_template
+from app.core.models.wallet_connection import WalletConnection
 
 main_router = Router()
 
diff --git a/app/bot/routers/index.py b/app/bot/routers/index.py
index c3ae0e9..4649380 100644
--- a/app/bot/routers/index.py
+++ b/app/bot/routers/index.py
@@ -2,12 +2,11 @@ import os
 import sys
 import traceback
 
-from aiogram import types, Router, F
-from aiogram.filters import Command
+from aiogram import types, Router
 
+from app.bot.routers.content import router as content_router
 from app.bot.routers.home import router as home_router
 from app.bot.routers.tonconnect import router as tonconnect_router
-from app.bot.routers.content import router as content_router
 from app.core.logger import logger
 
 main_router = Router()
diff --git a/app/bot/routers/tonconnect.py b/app/bot/routers/tonconnect.py
index d2af717..ed3e336 100644
--- a/app/bot/routers/tonconnect.py
+++ b/app/bot/routers/tonconnect.py
@@ -1,16 +1,16 @@
+import asyncio
 import json
+from datetime import datetime, timedelta
 
 from aiogram import types, Router, F
 from aiogram.filters import Command
 
+from app.bot.routers.home import send_connect_wallets_list, send_home_menu
+from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
 from app.core._keyboards import get_inline_keyboard
 from app.core._utils.tg_process_template import tg_process_template
 from app.core.logger import make_log
-from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
 from app.core.models.wallet_connection import WalletConnection
-from app.bot.routers.home import send_connect_wallets_list, send_home_menu
-from datetime import datetime, timedelta
-import asyncio
 
 router = Router()
 
diff --git a/app/client_bot/routers/home.py b/app/client_bot/routers/home.py
index 5ef58df..6c57026 100644
--- a/app/client_bot/routers/home.py
+++ b/app/client_bot/routers/home.py
@@ -1,13 +1,11 @@
-from app.core._utils.tg_process_template import tg_process_template
-from app.core._keyboards import get_inline_keyboard
-from app.core.logger import logger
-from app.core.models.wallet_connection import WalletConnection
-from app.core._blockchain.ton.connect import TonConnect, unpack_wallet_info
-from app.core._config import WEB_APP_URLS
 from aiogram import types, Router, F
 from aiogram.filters import Command
 from tonsdk.utils import Address
 
+from app.core._blockchain.ton.connect import TonConnect
+from app.core._keyboards import get_inline_keyboard
+from app.core._utils.tg_process_template import tg_process_template
+from app.core.models.wallet_connection import WalletConnection
 
 main_router = Router()
 
diff --git a/app/client_bot/routers/index.py b/app/client_bot/routers/index.py
index 85a9bc2..64ee033 100644
--- a/app/client_bot/routers/index.py
+++ b/app/client_bot/routers/index.py
@@ -2,8 +2,7 @@ import os
 import sys
 import traceback
 
-from aiogram import types, Router, F
-from aiogram.filters import Command
+from aiogram import types, Router
 
 from app.client_bot.routers.home import router as home_router
 from app.core.logger import logger
diff --git a/app/core/_blockchain/ton/contracts/cop_nft.py b/app/core/_blockchain/ton/contracts/cop_nft.py
index 8683a8b..b64fba9 100644
--- a/app/core/_blockchain/ton/contracts/cop_nft.py
+++ b/app/core/_blockchain/ton/contracts/cop_nft.py
@@ -1,8 +1,8 @@
-from app.core._config import MY_PLATFORM_CONTRACT
-
+from tonsdk.boc import Cell, begin_cell, begin_dict
 from tonsdk.contract import Contract
 from tonsdk.utils import Address
-from tonsdk.boc import Cell, begin_cell, begin_dict
+
+from app.core._config import MY_PLATFORM_CONTRACT
 
 
 class COP_NFT(Contract):
diff --git a/app/core/_blockchain/ton/platform.py b/app/core/_blockchain/ton/platform.py
index 2303dc4..29e6a1e 100644
--- a/app/core/_blockchain/ton/platform.py
+++ b/app/core/_blockchain/ton/platform.py
@@ -1,11 +1,12 @@
-from app.core._config import TESTNET, MY_PLATFORM_CONTRACT, PROJECT_HOST
-from app.core._secrets import service_wallet
-from app.core._blockchain.ton.contracts.platform import Platform
-from app.core._blockchain.ton.contracts.cop_nft import COP_NFT
-from app.core._blockchain.ton.contracts.blank import Blank
 from tonsdk.boc import Cell
 from tonsdk.utils import Address
 
+from app.core._blockchain.ton.contracts.blank import Blank
+from app.core._blockchain.ton.contracts.cop_nft import COP_NFT
+from app.core._blockchain.ton.contracts.platform import Platform
+from app.core._config import TESTNET, MY_PLATFORM_CONTRACT, PROJECT_HOST
+from app.core._secrets import service_wallet
+
 kwargs = {}
 if TESTNET is False:
     kwargs['address'] = Address(MY_PLATFORM_CONTRACT)
diff --git a/app/core/_blockchain/ton/toncenter.py b/app/core/_blockchain/ton/toncenter.py
index 921fcfa..2949ade 100644
--- a/app/core/_blockchain/ton/toncenter.py
+++ b/app/core/_blockchain/ton/toncenter.py
@@ -1,9 +1,11 @@
-from base64 import b64encode
-from httpx import AsyncClient
-from app.core.logger import make_log
-from app.core._config import TONCENTER_HOST, TONCENTER_API_KEY
 import asyncio
 import time
+from base64 import b64encode
+
+from httpx import AsyncClient
+
+from app.core._config import TONCENTER_HOST, TONCENTER_API_KEY
+from app.core.logger import make_log
 
 
 class TonCenter:
diff --git a/app/core/_blockchain/ton/wallet_v3cr3.py b/app/core/_blockchain/ton/wallet_v3cr3.py
index 3a78822..129078c 100644
--- a/app/core/_blockchain/ton/wallet_v3cr3.py
+++ b/app/core/_blockchain/ton/wallet_v3cr3.py
@@ -4,8 +4,7 @@ from time import time
 from tonsdk.boc import Cell, begin_cell
 from tonsdk.contract import Contract
 from tonsdk.contract.wallet import WalletContract
-from tonsdk.utils import Address, sign_message
-
+from tonsdk.utils import Address
 
 WALLET_V3_CR3_CODE_HEX = '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'
 
diff --git a/app/core/_crypto/__init__.py b/app/core/_crypto/__init__.py
index d38f615..293a62b 100644
--- a/app/core/_crypto/__init__.py
+++ b/app/core/_crypto/__init__.py
@@ -1,2 +1 @@
 from app.core._crypto.signer import Signer
-from app.core._crypto.cipher import Cipher
diff --git a/app/core/_crypto/cipher.py b/app/core/_crypto/cipher.py
index 72849db..ec920a9 100644
--- a/app/core/_crypto/cipher.py
+++ b/app/core/_crypto/cipher.py
@@ -1,6 +1,7 @@
+import hashlib
+
 from Crypto.Cipher import AES
 from Crypto.Util.Padding import pad, unpad
-import hashlib
 
 
 class AESCipher:
diff --git a/app/core/_crypto/content.py b/app/core/_crypto/content.py
index d0ca2b7..3ebf8c4 100644
--- a/app/core/_crypto/content.py
+++ b/app/core/_crypto/content.py
@@ -1,13 +1,15 @@
-from app.core.models.node_storage import StoredContent
-from app.core.models.keys import KnownKey
-from app.core._config import PROJECT_HOST, UPLOADS_DIR
-from app.core._crypto.cipher import AESCipher
-from Crypto.Random import get_random_bytes
+import os
 from datetime import datetime
 from hashlib import sha256
-from base58 import b58encode, b58decode
+
 import aiofiles
-import os
+from Crypto.Random import get_random_bytes
+from base58 import b58encode
+
+from app.core._config import UPLOADS_DIR
+from app.core._crypto.cipher import AESCipher
+from app.core.models.keys import KnownKey
+from app.core.models.node_storage import StoredContent
 
 
 async def create_new_encryption_key(db_session, user_id: int = None) -> KnownKey:
diff --git a/app/core/_crypto/signer.py b/app/core/_crypto/signer.py
index 1781e1a..f67e39e 100644
--- a/app/core/_crypto/signer.py
+++ b/app/core/_crypto/signer.py
@@ -1,6 +1,6 @@
-import nacl.signing
-import nacl.encoding
 import base58
+import nacl.encoding
+import nacl.signing
 
 
 class Signer:
diff --git a/app/core/_secrets.py b/app/core/_secrets.py
index e24b264..8424ae7 100644
--- a/app/core/_secrets.py
+++ b/app/core/_secrets.py
@@ -1,11 +1,12 @@
-from nacl.bindings import crypto_sign_seed_keypair
-from app.core.active_config import active_config
-from app.core.logger import make_log
-from app.core._blockchain.ton.wallet_v3cr3 import WalletV3CR3
 from os import getenv, urandom
 
+from nacl.bindings import crypto_sign_seed_keypair
 from tonsdk.utils import Address
 
+from app.core._blockchain.ton.wallet_v3cr3 import WalletV3CR3
+from app.core.active_config import active_config
+from app.core.logger import make_log
+
 
 def load_hot_pair():
     hot_seed = active_config.get('private_key')
diff --git a/app/core/_utils/send_status.py b/app/core/_utils/send_status.py
index bf4bf8e..bca7dbc 100644
--- a/app/core/_utils/send_status.py
+++ b/app/core/_utils/send_status.py
@@ -1,11 +1,12 @@
-from httpx import AsyncClient
-from app.core._config import PROJECT_HOST
-from app.core.logger import make_log
-from app.core._secrets import hot_privkey, hot_seed
-from tonsdk.utils import sign_message
-from base58 import b58encode
 from json import dumps
+
+from base58 import b58encode
+from httpx import AsyncClient
+
+from app.core._config import PROJECT_HOST
 from app.core._crypto.signer import Signer
+from app.core._secrets import hot_seed
+from app.core.logger import make_log
 
 
 async def send_status(service: str, status: str):
diff --git a/app/core/active_config.py b/app/core/active_config.py
index 3ac501b..15785ae 100644
--- a/app/core/active_config.py
+++ b/app/core/active_config.py
@@ -1,7 +1,8 @@
-from app.core.models._config import ConfigFile
-from app.core._config import CONFIG_FILE
 import os
 
+from app.core._config import CONFIG_FILE
+from app.core.models._config import ConfigFile
+
 if not os.path.exists(CONFIG_FILE):
     with open(CONFIG_FILE, 'w') as f:
         f.write('{}')
diff --git a/app/core/auth_v1.py b/app/core/auth_v1.py
index 16fc4db..a0e08ff 100644
--- a/app/core/auth_v1.py
+++ b/app/core/auth_v1.py
@@ -1,9 +1,11 @@
-from app.core.models.keys import KnownKey
-from datetime import datetime
-from base58 import b58encode, b58decode
-from hashlib import sha256
-from app.core.logger import make_log
 import os
+from datetime import datetime
+from hashlib import sha256
+
+from base58 import b58encode
+
+from app.core.logger import make_log
+from app.core.models.keys import KnownKey
 
 
 # Auth v1 specs
diff --git a/app/core/background/indexer_service.py b/app/core/background/indexer_service.py
index 2ff3a7b..5bf0511 100644
--- a/app/core/background/indexer_service.py
+++ b/app/core/background/indexer_service.py
@@ -1,17 +1,18 @@
-from app.core._utils.send_status import send_status
-from app.core._config import MY_PLATFORM_CONTRACT
-from app.core._blockchain.ton.toncenter import toncenter
+import asyncio
+from base64 import b64decode
+from datetime import datetime
+
+from base58 import b58encode
+from tonsdk.boc import Cell
+from tonsdk.utils import Address
+
 from app.core._blockchain.ton.platform import platform
+from app.core._blockchain.ton.toncenter import toncenter
+from app.core._utils.send_status import send_status
+from app.core.logger import make_log
 from app.core.models.node_storage import StoredContent
 from app.core.models.wallet_connection import WalletConnection
 from app.core.storage import db_session
-from app.core.logger import make_log
-from tonsdk.boc import begin_cell, Cell
-from tonsdk.utils import Address
-from base64 import b64encode, b64decode
-from base58 import b58encode, b58decode
-from datetime import datetime
-import asyncio
 
 
 async def indexer_loop(platform_found: bool, seqno: int) -> [bool, int]:
diff --git a/app/core/background/ton_service.py b/app/core/background/ton_service.py
index 9dd5197..c827d4e 100644
--- a/app/core/background/ton_service.py
+++ b/app/core/background/ton_service.py
@@ -1,15 +1,14 @@
-from tonsdk.boc import begin_cell
-from app.core.logger import make_log
-from app.core._config import MY_FUND_ADDRESS, MY_PLATFORM_CONTRACT
-from app.core._blockchain.ton.platform import platform
-from app.core.storage import db_session
-from app.core._secrets import service_wallet
-from app.core._blockchain.ton.toncenter import toncenter
-from app.core._utils.send_status import send_status
-from tonsdk.utils import Address
-
 import asyncio
-import os, sys
+import os
+
+from tonsdk.boc import begin_cell
+
+from app.core._blockchain.ton.platform import platform
+from app.core._blockchain.ton.toncenter import toncenter
+from app.core._config import MY_FUND_ADDRESS
+from app.core._secrets import service_wallet
+from app.core._utils.send_status import send_status
+from app.core.logger import make_log
 
 
 async def get_sw_seqno():
diff --git a/app/core/background/uploader_service.py b/app/core/background/uploader_service.py
index 19674a5..e42b76a 100644
--- a/app/core/background/uploader_service.py
+++ b/app/core/background/uploader_service.py
@@ -1,10 +1,8 @@
-from app.core._utils.send_status import send_status
-
-from app.core.logger import make_log
-from app.core.storage import db_session
-import traceback
 import asyncio
 
+from app.core._utils.send_status import send_status
+from app.core.logger import make_log
+
 
 async def uploader_loop():
     pass
diff --git a/app/core/content/content_id.py b/app/core/content/content_id.py
index f0dc0dc..b5160b4 100644
--- a/app/core/content/content_id.py
+++ b/app/core/content/content_id.py
@@ -1,6 +1,8 @@
-from app.core._utils.string_binary import string_to_bytes_fixed_size, bytes_to_string
 from base58 import b58encode, b58decode
+
 from app.core._config import ALLOWED_CONTENT_TYPES
+from app.core._utils.string_binary import string_to_bytes_fixed_size, bytes_to_string
+
 
 # cid_v1#_ cid_version:int8 accept_type:uint120 content_sha256:uint256 onchain_index:uint128 = CIDv1;
 
diff --git a/app/core/content/utils.py b/app/core/content/utils.py
index a68149a..cbbf441 100644
--- a/app/core/content/utils.py
+++ b/app/core/content/utils.py
@@ -1,12 +1,13 @@
-from app.core.models.node_storage import StoredContent
-from app.core._crypto.signer import Signer
-from app.core._secrets import hot_seed
+import json
 from hashlib import sha256
-from base58 import b58encode, b58decode
+
+from base58 import b58encode
+from httpx import AsyncClient
 
 from app.core._config import PROJECT_HOST
-from httpx import AsyncClient
-import json
+from app.core._crypto.signer import Signer
+from app.core._secrets import hot_seed
+from app.core.models.node_storage import StoredContent
 
 
 async def create_metadata_for_item(
diff --git a/app/core/models/__init__.py b/app/core/models/__init__.py
index 883b3b1..0118e95 100644
--- a/app/core/models/__init__.py
+++ b/app/core/models/__init__.py
@@ -1,8 +1,8 @@
 from app.core.models.asset import Asset
+from app.core.models.base import AlchemyBase
+from app.core.models.keys import KnownKey
 from app.core.models.memory import Memory
+from app.core.models.node_storage import StoredContent
 from app.core.models.transaction import UserBalance, InternalTransaction
 from app.core.models.user import User
 from app.core.models.wallet_connection import WalletConnection
-from app.core.models.keys import KnownKey
-from app.core.models.node_storage import StoredContent
-from app.core.models.base import AlchemyBase
diff --git a/app/core/models/_config.py b/app/core/models/_config.py
index 19fd47c..8854941 100644
--- a/app/core/models/_config.py
+++ b/app/core/models/_config.py
@@ -1,11 +1,11 @@
 import string
-
-from app.core.logger import make_log
-from json import loads as json_loads
 from json import dumps as json_dumps
+from json import loads as json_loads
 from random import choice
 from subprocess import Popen, PIPE
 
+from app.core.logger import make_log
+
 
 class ConfigFile:
     def __init__(self, filepath: str):
diff --git a/app/core/models/keys.py b/app/core/models/keys.py
index ca0eca5..cb55c36 100644
--- a/app/core/models/keys.py
+++ b/app/core/models/keys.py
@@ -1,6 +1,5 @@
-from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, JSON, Boolean
-from sqlalchemy.orm import relationship
 from base58 import b58decode
+from sqlalchemy import Column, Integer, String, DateTime, JSON
 
 from .base import AlchemyBase
 
diff --git a/app/core/models/memory.py b/app/core/models/memory.py
index 4fa4560..fdb9744 100644
--- a/app/core/models/memory.py
+++ b/app/core/models/memory.py
@@ -1,11 +1,12 @@
 import asyncio
 from contextlib import asynccontextmanager
-from datetime import datetime, timedelta
+from datetime import datetime
+from datetime import timedelta
 
 from aiogram import Bot
-from app.core.logger import make_log
+
 from app.core._config import TELEGRAM_API_KEY, CLIENT_TELEGRAM_API_KEY
-from datetime import datetime
+from app.core.logger import make_log
 
 
 class Memory:
diff --git a/app/core/models/node_storage.py b/app/core/models/node_storage.py
index 026be74..c5af470 100644
--- a/app/core/models/node_storage.py
+++ b/app/core/models/node_storage.py
@@ -1,10 +1,9 @@
+from base58 import b58decode
 from sqlalchemy import Column, BigInteger, Integer, String, ForeignKey, DateTime, JSON, Boolean
 from sqlalchemy.orm import relationship
 
-from .base import AlchemyBase
-from hashlib import sha256
-from base58 import b58encode, b58decode
 from app.core.content.content_id import ContentId
+from .base import AlchemyBase
 
 
 class StoredContent(AlchemyBase):
diff --git a/app/core/models/user/__init__.py b/app/core/models/user/__init__.py
index 2da5723..f0cdaca 100644
--- a/app/core/models/user/__init__.py
+++ b/app/core/models/user/__init__.py
@@ -1,9 +1,9 @@
 from sqlalchemy import Column, Integer, String, BigInteger, DateTime, JSON
 from sqlalchemy.orm import relationship
 
-from app.core.translation import TranslationCore
 from app.core.auth_v1 import AuthenticationMixin as AuthenticationMixin_V1
 from app.core.models.user.display_mixin import DisplayMixin
+from app.core.translation import TranslationCore
 from ..base import AlchemyBase