old_contents: import logging
  
  from cliff.command import Command
  
  import jujuxaas.client
  
  def get_jxaas_client(command):
    tenant = 'abcdef'
    username = '123'
    password= '123'
  
    client = jujuxaas.client.Client(url="http://127.0.0.1:8080/xaas", tenant=tenant, username=username, password=password)
    return client
  
new_contents: import logging
  import os
  
  from cliff.command import Command
  
  import jujuxaas.client
  
  def get_jxaas_client(command):
    tenant = 'abcdef'
    username = '123'
    password= '123'
  
    url = os.getenv('JXAAS_URL', "http://127.0.0.1:8080/xaas")
    client = jujuxaas.client.Client(url=url, tenant=tenant, username=username, password=password)
    return client
  
subject: Allow JXAAS_URL to be configured as an env var