Python encapsulation getter setter

#Python OOPS Getter / Setter
class Person(object):
    def __init__(self, p_name=None):
        self._name = p_name

    @property
    def name(self):
        return self._name

    @name.setter
    def name(self, new_name):
        if type(new_name) == str: #type checking for name property
            self._name = new_name
        else:
        print 'Error: Invalid type to set'

    @name.deleter
    def name(self):
        del self._name

print '############# Getter/Setter'
p = Person('Mike')
print(p.name)  #Mike
p.name = 'George'  #Grorge
print(p.name)
p.name = 2.3 # Causes an exception, Error: Invalid type to set
print(p.__dict__)  #{'_name': 'George'}
del p.name
print(p.__dict__) #{}