import requests_oauthlib
from oauthlib.oauth2 import BackendApplicationClient, TokenExpiredError
from requests_oauthlib import OAuth2Session
import os

client_id = os.environ.get("CS_CLIENT_ID")
client_secret = os.environ.get("CS_CLIENT_SECRET")
client = BackendApplicationClient(client_id=client_id)

client_id = os.environ.get("CS_CLIENT_ID")
client_secret = os.environ.get("CS_CLIENT_SECRET")

client = BackendApplicationClient(client_id=client_id)
oauth = requests_oauthlib.OAuth2Session(client=client)

api_baseurl = "https://api.crowdstrike.com"
url = "{}/oauth2/token".format(api_baseurl)

token = oauth.fetch_token(token_url=url,client_id=client_id,client_secret=client_secret,)
print (token)