old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy import create_engine
  from wu import Base, Locale, Observation
  
  engine = create_engine("sqlite:///wu-tang.db")
  
  Base.metadata.create_all(engine)
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy import create_engine
  from wu import Base, Locale, Observation
  
  
  def main():
      engine = create_engine("sqlite:///wu-tang.db")
      Base.metadata.create_all(engine)
  
  if __name__ == "__main__":
      main()
  
subject: Define main