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Update comment to mention .copy() usage

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Matthias 2020-04-02 20:17:54 +02:00
parent de47186263
commit c465552df4
1 changed files with 3 additions and 0 deletions
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freqtrade/strategy/interface.py
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@ -467,6 +467,9 @@ class IStrategy(ABC):
""" """
Creates a dataframe and populates indicators for given candle (OHLCV) data Creates a dataframe and populates indicators for given candle (OHLCV) data
Used by optimize operations only, not during dry / live runs. Used by optimize operations only, not during dry / live runs.
Using .copy() to get a fresh copy of the dataframe for every strategy run.
Has positive effects on memory usage for whatever reason - also when
using only one strategy.
""" """
return {pair: self.advise_indicators(pair_data.copy(), {'pair': pair}) return {pair: self.advise_indicators(pair_data.copy(), {'pair': pair})
for pair, pair_data in data.items()} for pair, pair_data in data.items()}