WillException.init bug

heirs.py

@@ -30,11 +30,9 @@ from electrum.transaction import (
     PartialTransaction,
     PartialTxInput,
     PartialTxOutput,
-    TxOutput,
     TxOutpoint,
     # TxOutput,
 )
-from electrum.payment_identifier import PaymentIdentifier
 from electrum.util import (
     bfh,
     read_json_file,
@@ -184,7 +182,7 @@ def prepare_transactions(locktimes, available_utxos, fees, wallet):
         tx.remove_signatures()
         txid = tx.txid()
         if txid is None:
-            raise Exception("txid is none", tx)
+            raise Exception(f"txid is none: {tx}")
 
         tx.heirs = paid_heirs
         tx.my_locktime = locktime