Merge pull request #2955 from freqtrade/fix/2948

Load ohlcv data as float
2020-02-22 17:16:54 +03:00
parent 43add0b159 3186add87b
commit 430f53ca11
1 changed files with 3 additions and 1 deletions
--- a/freqtrade/data/history/jsondatahandler.py
+++ b/freqtrade/data/history/jsondatahandler.py
@@ -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')
+        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',