'Get an instance resource by its sid
Usage:
.. code-block:: python
message = client.messages.get("SM1234")
print message.body
:rtype: :class:`~twilio.rest.resources.InstanceResource`
:raises: a :exc:`~twilio.TwilioRestException` if a resource with that
sid does not exist, or the request fails'

def get(self, sid):

    return self.get_instance(sid)
