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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 btc_is_singlesig_segwit(privkey_info):
 """ Is the given key bundle a p2sh-p2wpkh key bundle? """

    try:
        jsonschema.validate(privkey_info, PRIVKEY_MULTISIG_SCHEMA)
        if len(privkey_info['private_keys']) > 1:
            return False

        return privkey_info.get('segwit', False)
    except ValidationError:
        return False