refactor: reorganize imports across multiple files for consistency and clarity

app/utils/client.py

@@ -3,7 +3,7 @@ from typing import Any
 
 import httpx
 
-from app.core.exceptions import RequestError, WalletError
+from app.core import RequestError, WalletError
 from app.utils.wallet import link_wallet
 
 logger = logging.getLogger(__name__)

app/utils/hash.py

@@ -4,7 +4,7 @@ from typing import Any
 
 import httpx
 
-from app.core.exceptions import HashFetchError
+from app.core import HashFetchError
 
 logger = logging.getLogger(__name__)
 

app/utils/wallet.py

@@ -7,9 +7,7 @@ import httpx
 from tonutils.clients import TonapiClient
 from tonutils.types import NetworkGlobalID
 
-from app.core import config
-from app.core.constants import DEVICE, WALLET_CLASSES
-from app.core.exceptions import TransactionError, WalletError
+from app.core import DEVICE, WALLET_CLASSES, TransactionError, WalletError, config
 from app.utils.decoder import clean_decode
 
 logger = logging.getLogger(__name__)