human
Solve the following python programming problem given the following code:
def validates(version) : 
    "
    Register the decorated validator for a ``version`` of the specification.

    Registered validators and their meta schemas will be considered when
    parsing ``$schema`` properties' URIs.

    :argument str version: an identifier to use as the version's name
    :returns: a class decorator to decorate the validator with the version

    " 
    def _validates(cls) : 
        validators [version] = cls 
        if ('id' in cls.META_SCHEMA) : 
            meta_schemas [cls.META_SCHEMA ['id']] = cls 
return cls 
return version 

    
    

    Fix the buggy line: return version
assistant
#Here is Python program to fix the buggy line: return version
.

return def _validates(