old_contents: class Predio(object):
  	def __init__(self,predio):
  		self.id = predio.getId()
  		self.codigo = predio.getCodigo()
      
  
new_contents: class Sala(object): 
  	def __init__(self,sala):
  		self.id = sala.getId()
  		self.codigo = sala.getCodigo()
      
  
subject: Update Sala.py