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Pandas extend datafeeds error

  • class Mypandas(bt.feeds.PandasData):
        # Add a 'pe' line to the inherited ones from the base class
        lines = ('timestamp',)
        # openinterest in GenericCSVData has index 7 ... add 1
        # add the parameter to the parameters inherited from the base class
        params = (('timestamp', 8),)
    data = Mypandas(dataname=df)
    # Add the Data Feed to Cerebro


    trying to extend one line, but give me a error.

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