import error about build_env and solution

[Yonv1943]

Search the funtion build_env in ElegantRL. There are:

21 code results in AI4Finance-Foundation/ElegantRL

The from elegantrl.envs.Gym import build_env could be changed to from elegantrl.train.config import build_env

The function build_env has been moved from elegantrl/envs/Gym.py to elegantrl/train/config.py

ElegantRL/elegantrl/train/config.py

Lines 204 to 219 in 51fce54

	def build_env(env=None, env_func=None, env_args=None): # [ElegantRL.2021.12.12]
	if env is not None:
	env = deepcopy(env)
	elif env_func.__module__ == 'gym.envs.registration':
	import gym
	gym.logger.set_level(40) # Block warning
	env = env_func(id=env_args['env_name'])
	else:
	env = env_func(**kwargs_filter(env_func.__init__, env_args.copy()))
	for attr_str in ('state_dim', 'action_dim', 'max_step', 'if_discrete', 'target_return'):
	if (not hasattr(env, attr_str)) and (attr_str in env_args):
	setattr(env, attr_str, env_args[attr_str])
	# env.max_step = env.max_step if hasattr(env, 'max_step') else env_args['max_step']
	# env.if_discrete = env.if_discrete if hasattr(env, 'if_discrete') else env_args['if_discrete']
	return env