old_contents: import couchdbkit
  
  
  class Users_db(couchdbkit.Document):
      username = couchdbkit.StringProperty()
      password = couchdbkit.StringProperty()
      avatar = couchdbkit.StringProperty()
      name = couchdbkit.StringProperty()
      description = couchdbkit.StringProperty()
  
new_contents: import couchdbkit
  
  
  class Users_db(couchdbkit.Document):
      _id = couchdbkit.StringProperty()
      password = couchdbkit.StringProperty()
      avatar = couchdbkit.StringProperty()
      name = couchdbkit.StringProperty()
      description = couchdbkit.StringProperty()
  
subject: change username pour id