old_contents: 
  from google.appengine.api import users
  from google.appengine.ext import ndb
  
  class employee(ndb.Model)
  	workerID = ndb.KeyProperty(kind = String)
  	workerType = ndb.StringProperty()
  	firstName = ndb.StringProperty()
  	lastName = ndb.StringProperty()
  	userName = ndb.StringProperty()
  	password = ndb.StringProperty()
  	percentJob = ndb.DoubleProperty()
  	shiftHead = ndb.BooleanProperty(default=True)
  	
  	
  	
  	
  	
  	
new_contents: 
  from google.appengine.api import users
  from google.appengine.ext import ndb
  
  class employee(ndb.Model)
  	workerID = ndb.KeyProperty(kind = String)
  	workerType = ndb.StringProperty()
  	firstName = ndb.StringProperty()
  	lastName = ndb.StringProperty()
  	userName = ndb.StringProperty()
  	password = ndb.StringProperty()
  	percentJob = ndb.DoubleProperty()
  	shiftHead = ndb.BooleanProperty(default=True)
  	
  	
  	
  	
  	
  	
  	
  	
subject: update the employee model