plot_fast_and_slow.py

def plot_fast_and_slow(self):
    fig = self.price.vbt.plot(trace_kwargs=dict(name='Close'))
    self.calc_fast_ma.ma.vbt.plot(trace_kwargs=dict(name='Fast MA'), fig=fig)
    self.calc_slow_ma.ma.vbt.plot(trace_kwargs=dict(name='Slow MA'), fig=fig)
    self.pf.positions.plot(close_trace_kwargs=dict(visible=False), fig=fig)
    # vbt.save('fig.png', fig)
    with open('./images/vectorbt/fast_and_slow_plot.png','wb') as f:
        f.write(fig.to_image(format='png'))
    with open('./images/vectorbt/fast_and_slow_plot.png','rb') as f:
        if self.is_experiment:
            mlflow.log_artifact("./images/vectorbt/fast_and_slow_plot.png")