Since you're creating an API key, it's likely you don't have an existing one to use. Using environment variables is an easy way to provide authentication to the library.
#!/bin/bash
export GREMLIN_USER=my-gremlin-username
export GREMLIN_PASSWORD=my-gremlin-password
export GREMLIN_TEAM_ID=my-gremlin-teamid
And the python to create the api-key:
import gremlinapi
from gremlinapi.apikeys import GremlinAPIapikeys as apikeys
gremlinapi.login()
key_string = apikeys.create_apikey(identifier='my-first-apikey', description='This is our first API key')
print(f'Set the environment variable GREMLIN_API_KEY to {key_string}')
from gremlinapi.apikeys import GremlinAPIapikeys as apikeys
from pprint import pprint
keys = apikeys.list_apikeys()
pprint(keys)
from gremlinapi.apikeys import GremlinAPIapikeys as apikeys
from pprint import pprint
resp = apikeys.revoke_apikey(identifier='my-api-key-identifier')
pprint(resp)