Error when using using BigQuery billing script

[ruchim]

  File "/scripts/bigquery_billing_report/bigquery_billing_report.py", line 358, in <module>
    main()
  File "/scripts/bigquery_billing_report/bigquery_billing_report.py", line 354, in main
    args.print_queries)
  File "/scripts/bigquery_billing_report/bigquery_billing_report.py", line 184, in print_submission_pricing
    elif call["callCaching"]["hit"]:
KeyError: 'hit'```