code: def set_env_from_file(env_file):
      '''Restore the current environment from an environment stored in a yaml
      yaml file.
  
      :param env_file: Path to environment yaml file.
      '''
  
      with open(env_file, 'r') as f:
          env_dict = yaml.load(f.read())
  
      if 'environment' in env_dict:
          env_dict = env_dict['environment']
  
      set_env(env_dictf set_env_from_file(env_file):
      '''Restore the current environment from an environment stored in a yaml
      yaml file.
  
      :param env_file: Path to environment yaml file.
      '''
  
      with open(env_file, 'r') as f:
          env_dict = yaml.load(f.read())
  
      if 'environment' in env_dict:
          env_dict = env_dict['environment']
  
      set_env(env_dict)
docs: Restore the current environment from an environment stored in a yaml
      yaml file.
  
      :param env_file: Path to environment yaml file.