feat: don't jump into parallel mode for single pair/timeframe downloads

5 months ago · aa7aac3a14
parent 2015ccc727
commit aa7aac3a14
1 changed files with 2 additions and 0 deletions
--- a/freqtrade/data/history/history_utils.py
+++ b/freqtrade/data/history/history_utils.py
@ -388,8 +388,10 @@ def refresh_backtest_ohlcv_data(
            for timeframe in timeframes:
                # Get fast candles via parallel method on first loop through per timeframe
                # and candle type. Downloads all the pairs in the list and stores them.
+                # Also skips if only 1 pair/timeframe combination is scheduled for download.
                if (
                    not no_parallel_download
+                    and (len(pairs) + len(timeframes)) > 2
                    and exchange.get_option("download_data_parallel_quick", True)
                    and (
                        ((pair, timeframe, candle_type) not in fast_candles)