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Fix valueerror in case of empty array files

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This commit is contained in:
Matthias
2021-01-31 19:49:14 +01:00
parent 79087ba166
commit 2c80388b40
5 changed files with 22 additions and 5 deletions
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8
freqtrade/data/history/jsondatahandler.py
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@@ -86,8 +86,12 @@ 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')
pairdata.columns = self._columns
try:
pairdata = read_json(filename, orient='values')
pairdata.columns = self._columns
except ValueError:
logger.error(f"Could not load data for {pair}.")
return DataFrame(columns=self._columns)
pairdata = pairdata.astype(dtype={'open': 'float', 'high': 'float',
'low': 'float', 'close': 'float', 'volume': 'float'})
pairdata['date'] = to_datetime(pairdata['date'],