Traceback (most recent call last):
  File "electrum\gui\qt\history_list.py", line 745, in <lambda>
  File "electrum\gui\qt\main_window.py", line 2699, in bump_fee_dialog
  File "electrum\gui\qt\rbf_dialog.py", line 148, in __init__
  File "electrum\gui\qt\rbf_dialog.py", line 42, in __init__
AssertionError