fix: generalize values for before_trading_start_minutes

stefan-jansen / zipline-reloaded

Zipline, a Pythonic Algorithmic Trading Library

https://zipline.ml4trading.io

Apache License 2.0

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Closed zhiyisun closed 1 year ago

zhiyisun commented 1 year ago

Use open_times and timezone info from trading_calendar for before_trading_start_minutes. Replace the original 8:45 "US/Eastern".