remove unneeded parameter

gui/gui_classic/main_window.py

@@ -1664,10 +1664,8 @@ class ElectrumWindow(QMainWindow):
 
 
     @protected
-    def sign_raw_transaction(self, tx, input_info, dialog ="", password = ""):
+    def sign_raw_transaction(self, tx, input_info, password):
         self.wallet.signrawtransaction(tx, input_info, [], password)
-    
-
 
     def do_process_from_text(self):
         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))

gui/gui_classic/transaction_dialog.py

@@ -99,7 +99,7 @@ class TxDialog(QDialog):
     def sign(self):
         tx_dict = self.tx.as_dict()
         input_info = json.loads(tx_dict["input_info"])
-        self.parent.sign_raw_transaction(self.tx, input_info, self)
+        self.parent.sign_raw_transaction(self.tx, input_info)
         self.update()