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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _verify_validates(self, spec, path):
 """Verify thats the 'validates' argument is valid."""

        validates = spec['validates']

        if isinstance(validates, list):
            for validator in validates:
                self._verify_validator(validator, path)
        else:
            self._verify_validator(validates, path)