Simple GeoIP2 IP latitude, longitude lookup in Python 3

geoip2_lookup.py

#!/usr/bin/env python3

"""
Looks up an IP address using GeoLite2 City Database
"""

from functools import lru_cache
import geoip2.database
import geoip2.errors

import sys

geoip_db_path = "/usr/local/share/GeoIP/GeoLite2-City.mmdb"
geoip_reader = geoip2.database.Reader(geoip_db_path)


@lru_cache(maxsize=10000)
def geolookup_ip(ip):
    try:
        geoip_response = geoip_reader.city(ip)
    except geoip2.errors.AddressNotFoundError:
        return (0, 0)
    except:
        return (0, 0)

    lat = geoip_response.location.latitude
    lon = geoip_response.location.longitude

    return (lat, lon)


ip = sys.argv[1]
print(geolookup_ip(ip))