text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  '''
  EXPOsan: Exposition of sanitation and resource recovery systems
  
  This module is developed by:
      Joy Zhang <joycheung1994@gmail.com>
  
  This module is under the University of Illinois/NCSA Open Source License.
  Please refer to https://github.com/QSD-Group/EXPOsan/blob/main/LICENSE.txt
  for license details.
  '''
  
  import os
  bsm1_path = os.path.dirname(__file__)
  del os
  
  from . import system
  from .system import *
  
  from . import model
  from .model import *
  
  __all__ = (
      'bsm1_path',
      *system.__all__,
      *model.__all__,
  	)