'Fetch a PublicKeyInstance
:returns: Fetched PublicKeyInstance
:rtype: twilio.rest.accounts.v1.credential.public_key.PublicKeyInstance'

def fetch(self):

    params = values.of({})
    payload = self._version.fetch('GET', self._uri, params=params)
    return PublicKeyInstance(self._version, payload, sid=self._solution['sid'])
