How to use the geoip2.webservice.Client function in geoip2

def get_ip_insights(ip):
    try:
        client = geoip2.webservice.Client(os.getenv("MAXMIND_USER"), os.getenv("MAXMIND_KEY"))
        insights = client.insights(ip)
    except AddressNotFoundError:
        insights = None
    return insights

def get_unpaywall_events(self, rows=100):
        insights_client = geoip2.webservice.Client(os.getenv("MAXMIND_CLIENT_ID"), os.getenv("MAXMIND_API_KEY"))

        tar_gz_filename = "today-{}.tsv.gz".format(self.first_day)

        execute("rm {}".format(tar_gz_filename), check=False)  # clear it if there is already one there
        command_template = """curl --no-include -o {} -L -H "X-Papertrail-Token: {}" https://papertrailapp.com/api/v1/archives/{}/download"""

        command = command_template.format(tar_gz_filename, os.getenv("PAPERTRAIL_API_KEY"), self.first_day)
        execute(command)
        if execute("ls -lh {}".format(tar_gz_filename), check=False):
            execute("zgrep email=unpaywall@impactstory.org {} > unpaywall_events.txt".format(tar_gz_filename), capture=True, check=False)

        else:
            # no file.  get the files for all the hours instead
            execute("rm unpaywall_events.txt", check=False)  # clear it if there is already one there, because appending
            for hour in range(24):
                day_with_hour = "{}-{:02d}".format(self.first_day, hour)