URI: 
       tfix #3963 - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit a3554dc2b7838b130becd004385b003a0fc79a63
   DIR parent 51630416fc2e1b7bdea2e008f3f8f42d40fdd615
  HTML Author: ThomasV <thomasv@electrum.org>
       Date:   Tue, 27 Feb 2018 16:00:56 +0100
       
       fix #3963
       
       Diffstat:
         M gui/qt/history_list.py              |       8 +++-----
         M lib/exchange_rate.py                |       2 ++
         M lib/wallet.py                       |      10 ++++------
       
       3 files changed, 9 insertions(+), 11 deletions(-)
       ---
   DIR diff --git a/gui/qt/history_list.py b/gui/qt/history_list.py
       t@@ -143,18 +143,16 @@ class HistoryList(MyTreeWidget, AcceptFileDragDrop):
                h = self.summary
                start_date = h.get('start_date')
                end_date = h.get('end_date')
       -        if start_date is None or end_date is None:
       -            self.parent.show_message(_("Nothing to summarize."))
       -            return
                format_amount = lambda x: self.parent.format_amount(x.value) + ' ' + self.parent.base_unit()
       +        format_date = lambda x: x.isoformat(' ')[:-3] if x else _("None")
                d = WindowModalDialog(self, _("Summary"))
                d.setMinimumSize(600, 150)
                vbox = QVBoxLayout()
                grid = QGridLayout()
                grid.addWidget(QLabel(_("Start")), 0, 0)
       -        grid.addWidget(QLabel(start_date.isoformat(' ')), 0, 1)
       +        grid.addWidget(QLabel(format_date(start_date)), 0, 1)
                grid.addWidget(QLabel(_("End")), 1, 0)
       -        grid.addWidget(QLabel(end_date.isoformat(' ')), 1, 1)
       +        grid.addWidget(QLabel(format_date(end_date)), 1, 1)
                grid.addWidget(QLabel(_("Initial balance")), 2, 0)
                grid.addWidget(QLabel(format_amount(h['start_balance'])), 2, 1)
                grid.addWidget(QLabel(str(h.get('start_fiat_balance'))), 2, 2)
   DIR diff --git a/lib/exchange_rate.py b/lib/exchange_rate.py
       t@@ -520,6 +520,8 @@ class FxThread(ThreadJob):
                return "%s" % (self.ccy_amount_str(value, True))
        
            def history_rate(self, d_t):
       +        if d_t is None:
       +            return Decimal('NaN')
                rate = self.exchange.historical_rate(self.ccy, d_t)
                # Frequently there is no rate for today, until tomorrow :)
                # Use spot quotes in that case
   DIR diff --git a/lib/wallet.py b/lib/wallet.py
       t@@ -1055,8 +1055,8 @@ class Abstract_Wallet(PrintError):
                        start_date = timestamp_to_datetime(from_timestamp)
                        end_date = timestamp_to_datetime(to_timestamp)
                    else:
       -                start_date = out[0]['date']
       -                end_date = out[-1]['date']
       +                start_date = None
       +                end_date = None
                    summary = {
                        'start_date': start_date,
                        'end_date': end_date,
       t@@ -1071,10 +1071,8 @@ class Abstract_Wallet(PrintError):
                        summary['fiat_income'] = Fiat(fiat_income, fx.ccy)
                        summary['fiat_expenditures'] = Fiat(fiat_expenditures, fx.ccy)
                        summary['unrealized_gains'] = Fiat(unrealized, fx.ccy)
       -                if start_date:
       -                    summary['start_fiat_balance'] = Fiat(fx.historical_value(start_balance, start_date), fx.ccy)
       -                if end_date:
       -                    summary['end_fiat_balance'] = Fiat(fx.historical_value(end_balance, end_date), fx.ccy)
       +                summary['start_fiat_balance'] = Fiat(fx.historical_value(start_balance, start_date), fx.ccy)
       +                summary['end_fiat_balance'] = Fiat(fx.historical_value(end_balance, end_date), fx.ccy)
                else:
                    summary = {}
                return {