99b30e66a481b9a255f74adc6895dcd541d670f0,numerox/prediction.py,Prediction,rename,#Prediction#Any#,42

Before Change

        if self.df is None:
            raise ValueError("Cannot rename an empty prediction")
        if nx.isstring(mapper):
            if self.shape[1] != 1:
                raise ValueError("prediction must contain a single name")
            mapper = {self.names[0]: mapper}
        df = self.df.rename(columns=mapper, copy=True)
        return Prediction(df)

After Change

                raise ValueError(msg)
            pairs = self.pairs(as_str=False)
            pairs = [(mapper, t) for n, t in pairs]
            df = self.df.copy()
            df.columns = pairs
        elif isinstance(mapper, dict):
            pairs = self.pairs(as_str=False)

Instances