Fix deprecation warning in Pandas method 'pct_change'

robertmartin8 / PyPortfolioOpt

Financial portfolio optimisation in python, including classical efficient frontier, Black-Litterman, Hierarchical Risk Parity

https://pyportfolioopt.readthedocs.io/

MIT License

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Open webbsledge opened 3 weeks ago

webbsledge commented 3 weeks ago

Failing to declare an explicit fill_method in pandas.pct_change raises deprecation error. This fixes that.