File "/home/ilnur/.local/lib/python3.5/site-packages/electrum_gui/qt/main_window.py", line 633, in timer_actions
    self.update_wallet()
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum_gui/qt/main_window.py", line 753, in update_wallet
    self.update_tabs()
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum_gui/qt/main_window.py", line 756, in update_tabs
    self.history_list.update()
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum_gui/qt/util.py", line 505, in update
    self.on_update()
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/util.py", line 294, in <lambda>
    return lambda *args, **kw_args: do_profile(func, args, kw_args)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/util.py", line 290, in do_profile
    o = func(*args, **kw_args)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum_gui/qt/history_list.py", line 216, in on_update
    r = self.wallet.get_full_history(domain=self.get_domain(), from_timestamp=self.start_timestamp, to_timestamp=self.end_timestamp, fx=fx)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/util.py", line 294, in <lambda>
    return lambda *args, **kw_args: do_profile(func, args, kw_args)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/util.py", line 290, in do_profile
    o = func(*args, **kw_args)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/wallet.py", line 1094, in get_full_history
    acquisition_price = - value / Decimal(COIN) * self.average_price(tx_hash, fx.timestamp_rate, fx.ccy)
  File "/home/ilnur/.local/lib/python3.5/site-packages/electrum/wallet.py", line 1813, in average_price
    return total_price / (input_value/Decimal(COIN))