@Morningstar 回测遇到问题，还请大侠看看，没法，刚学习这个PY语言，还不是很懂，谢了 Traceback (most recent call last): File "kuanke/user_space.py", line 139, in exec_msg return getattr(self, func)(*msg['args'], **msg['kwargs']) File "kuanke/user_space.py", line 274, in initialize self.func_initialize(self.user_context) File "user_code.py", line 104, in initialize set_param() File "user_code.py", line 154, in set_param if g.pick_by_eps: AttributeError: 'PersistentState' object has no attribute 'pick_by_eps' ========全局变量======== { 'g': PersistentState({'pick_stock_count': 30, 'day_count': 0, 'period': 5, 'tested_fields': set(['pick_stock_count', 'day_count', 'period', 'trade_stat', 'adjust_position_hour', 'pick_by_pe', 'adjust_position_minute']), 'trade_stat': , 'adjust_position_hour': 14, 'pick_by_pe': False, 'adjust_position_minute': 50})} ========局部变量======== File "kuanke/user_space.py", line 139, in exec_msg return getattr(self, func)(*msg['args'], **msg['kwargs']) { 'context': , 'self': } ------------ File "kuanke/user_space.py", line 274, in initialize self.func_initialize(self.user_context) { 'context': UserContext({'current_dt': datetime.datetime(2016, 5, 3, 9, 20), 'portfolio': Portfolio({'_unsell_positions': {}, 'portfolio_value': 20000.0, 'cash': 20000.0, 'starting_cash': 20000.0, 'returns': 0.0, 'capital_used': 0.0, 'positions': {}, 'positions_value': 0}), 'previous_date': datetime.date(2016, 4, 29), 'run_params': RunParams({'end_date': datetime.date(2016, 8, 12), 'frequency': u'minute', 'type': 'simple_backtest', 'start_date': datetime.date(2016, 5, 2), 'extra_gloabl_vars': {}}), 'universe': []})} ------------ File "user_code.py", line 104, in initialize set_param() { } ------------