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Merge pull request #4963 from robcaulk/patch-1 

update doc to reflect better empty dataframe check
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Matthias 2021-05-21 09:31:16 +02:00 committed by GitHub
parent 96ea10e562 1a30e39222
commit 10b013dc34
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1 changed files with 3 additions and 3 deletions
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docs/strategy-advanced.md
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@ -40,7 +40,6 @@ class AwesomeStrategy(IStrategy):
!!! Note
If the data is pair-specific, make sure to use pair as one of the keys in the dictionary.
## Dataframe access
You may access dataframe in various strategy functions by querying it from dataprovider.
@ -65,8 +64,9 @@ class AwesomeStrategy(IStrategy):
trade_date = timeframe_to_prev_date(self.timeframe, trade.open_date_utc)
# Look up trade candle.
trade_candle = dataframe.loc[dataframe['date'] == trade_date]
# trade_candle may be None for trades that just opened as it is still incomplete.
if trade_candle is not None:
# trade_candle may be empty for trades that just opened as it is still incomplete.
if trade_candle.empty:
trade_candle = trade_candle.squeeze()
# <...>
```