File "Electrum-3.1.1-py3.6.egg/electrum_gui/qt/fee_slider.py", line 24, in moved
  File "Electrum-3.1.1-py3.6.egg/electrum/simple_config.py", line 273, in get_fee_within_limits
  File "Electrum-3.1.1-py3.6.egg/electrum/simple_config.py", line 288, in eta_to_fee