How to give to EMA DAILY timeframe?

[YELNAr]

    self.ema = bt.indicators.ExponentialSmoothing(period=200)

[ab_trader]

Calculate EMA for data feed with daily time frame.

self.ema = bt.indicators.ExponentialSmoothing(self.data, period=200)

[ab_trader]

I didn't notice but for EMA I would use the following indicator:

self.ema = bt.indicators.ExponentialMovingAverage(self.data, period=200)

[YELNAr]

How to change it, if I want to use hourly timeframe?

[ab_trader]

@YELNAr
Calculate EMA for data feed with hourly bars.

[YELNAr]

Thanks, Do you know where I can parse historical forex data hourly?