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Use explicit column list for float parsing

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This commit is contained in:
Matthias 2020-02-22 14:46:54 +01:00
parent 7ecc56fa44
commit 3186add87b
1 changed files with 3 additions and 1 deletions
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4
freqtrade/data/history/jsondatahandler.py
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@ -69,7 +69,9 @@ class JsonDataHandler(IDataHandler):
filename = self._pair_data_filename(self._datadir, pair, timeframe)
if not filename.exists():
return DataFrame(columns=self._columns)
pairdata = read_json(filename, orient='values', dtype='float64')
pairdata = read_json(filename, orient='values',
dtype={'open': 'float', 'high': 'float',
'low': 'float', 'close': 'float', 'volume': 'float'})
pairdata.columns = self._columns
pairdata['date'] = to_datetime(pairdata['date'],
unit='ms',