EOS: get_route_to() does not support confederations

[bewing]

Router output:

{
    "vrfs": {
        "default": {
            "routerId": "192.0.2.48",
            "vrf": "default",
            "bgpRouteEntries": {
                "192.0.2.0/24": {
                    "totalPaths": 2,
                    "bgpAdvertisedPeerGroups": {
                        "INTERNAL-TOR": {
                            "peerList": [
                                "192.0.2.223"
                            ]
                        }
                    },
                    "totalAdvertisedPeers": 1,
                    "maskLength": 16,
                    "bgpRoutePaths": [
                        {
                            "asPathEntry": {
                                "asPathType": "Confed-External",
                                "asPath": "(20901 21149)"
                            },
                            "med": 175,
                            "localPreference": 100,
                            "weight": 0,
                            "reasonNotBestpath": "noReason",
                            "timestamp": 1526591713,
                            "nextHop": "192.0.4.221",
                            "routeType": {
                                "atomicAggregator": false,
                                "origin": "Igp",
                                "suppressed": false,
                                "queued": false,
                                "valid": true,
                                "ecmpContributor": true,
                                "luRoute": false,
                                "active": true,
                                "stale": false,
                                "ecmp": true,
                                "backup": false,
                                "ecmpHead": true,
                                "ucmp": false
                            },
                            "routeDetail": {
                                "origin": "Igp",
                                "peerEntry": {
                                    "peerRouterId": "192.0.2.1",
                                    "peerAddr": "192.0.2.221"
                                },
                                "tunnelRibEligible": false,
                                "extCommunityList": [],
                                "communityList": [],
                                "rxSafi": "Unicast",
                                "aggregator": " (aggregated by 65001 192.0.255.49)",
                                "recvdFromRRClient": false,
                                "labelStack": []
                            }
                        },
                        {
                            "asPathEntry": {
                                "asPathType": "Confed-External",
                                "asPath": "(20902 21149)"
                            },
                            "med": 175,
                            "localPreference": 100,
                            "weight": 0,
                            "reasonNotBestpath": "ecmpFast",
                            "timestamp": 1526591756,
                            "nextHop": "192.0.4.223",
                            "routeType": {
                                "atomicAggregator": false,
                                "origin": "Igp",
                                "suppressed": false,
                                "queued": false,
                                "valid": true,
                                "ecmpContributor": true,
                                "luRoute": false,
                                "active": false,
                                "stale": false,
                                "ecmp": true,
                                "backup": false,
                                "ecmpHead": false,
                                "ucmp": false
                            },
                            "routeDetail": {
                                "origin": "Igp",
                                "peerEntry": {
                                    "peerRouterId": "192.0.2.2",
                                    "peerAddr": "192.0.2.223"
                                },
                                "tunnelRibEligible": false,
                                "extCommunityList": [],
                                "communityList": [],
                                "rxSafi": "Unicast",
                                "aggregator": " (aggregated by 65001 192.0.2.49)",
                                "recvdFromRRClient": false,
                                "labelStack": []
                            }
                        }
                    ],
                    "address": "192.0.2.0"
                }
            },
            "asn": 20948
        }
    }
}

Error message:

ValueError                                Traceback (most recent call last)
<ipython-input-2-c5a9e185b0d9> in <module>()
      5
      6 with EOSDriver("router", "bewing", getpass()) as d:
----> 7     pprint(d.get_route_to("192.0.2.0/24"))
      8
      9

/mnt/c/Users/bewing/PycharmProjects/napalm/napalm/eos/eos.py in get_route_to(self, destination, protocol)
   1130                         bgp_route = route.copy()
   1131                         as_path = bgp_route_details.get('asPathEntry', {}).get('asPath', u'')
-> 1132                         remote_as = int(as_path.split()[-1])
   1133                         remote_address = napalm.base.helpers.ip(bgp_route_details.get(
   1134                             'routeDetail', {}).get('peerEntry', {}).get('peerAddr', ''))

ValueError: invalid literal for int() with base 10: '21149)'