text: import os, unittest
  
  import pandas as pd
  
  
  from linalgo.hub.client import LinalgoClient
  from linalgo.hub.scheduler import Scheduler
  
  
  class TestSchedule(unittest.TestCase):
  
      def test_random_review(self):
          token = os.getenv('LINHUB_TOKEN')
          client = LinalgoClient(
              token=token, api_url='https://api.linalgo.com/hub')
          task_id = '20c436de-f4d1-4b40-b9e9-ee2fb9087ea9'
          task = client.get_task(task_id, verbose=True)
          schedule = pd.DataFrame(client.get_schedule(task))
          scheduler = Scheduler(task, schedule)
          docs = scheduler.random_review(
              task.get_id('precious.figueroa'), task.get_id('wallie'), n=20)
  
  
  if __name__ == '__main__':
      unittest.main()
  