REF: Remove unused trading env member.

Usage of `prev_environment` was removed by a previous commit, dc964a7e7d
2026-06-30 14:40:25 +08:00 · 2015-12-04 15:25:30 -05:00
parent ce3727ba8d
commit 8b39bbab45
1 changed files with 0 additions and 1 deletions
@@ -96,7 +96,6 @@ class TradingEnvironment(object):
        self.open_and_closes = env_trading_calendar.open_and_closes.loc[
            self.trading_days]

-        self.prev_environment = self
        self.bm_symbol = bm_symbol
        if not load:
            load = load_market_data