fix fake wallet

lnbits/wallets/fake.py

@@ -20,7 +20,7 @@ from .base import (
 
 class FakeWallet(Wallet):
     queue: asyncio.Queue = asyncio.Queue(0)
-    secret: str = env.str("FAKE_WALLET_SECTRET", default="ToTheMoon1")
+    secret: str = settings.fake_wallet_secret
     privkey: str = hashlib.pbkdf2_hmac(
         "sha256",
         secret.encode("utf-8"),
@@ -42,9 +42,6 @@ class FakeWallet(Wallet):
         description_hash: Optional[bytes] = None,
         unhashed_description: Optional[bytes] = None,
     ) -> InvoiceResponse:
-        # we set a default secret since FakeWallet is used for internal=True invoices
-        # and the user might not have configured a secret yet
-        secret = settings.fake_wallet_secret
         data: Dict = {
             "out": False,
             "amount": amount,