AttributeError when "Wizyta dodatkowa" is shown instead of doctor name

[YozenPL]

$ docker run --rm --env-file=.env mediczuwacz find-appointment -r 203 -s 198

--------------------------------------------------
New appointments found:
--------------------------------------------------
Date: 2025-04-23T10:00:00
  Clinic: Centrum Medicover Chorzowska
  Doctor: --- Alicja
  Specialty: Okulista dorośli
  Languages: Polski
--------------------------------------------------
Date: 2025-04-23T14:00:00
  Clinic: Centrum Medicover Żelazna
  Doctor: --- Agata
  Specialty: Okulista dorośli
  Languages: Polski
--------------------------------------------------
Traceback (most recent call last):
  File "/app/./mediczuwacz.py", line 305, in <module>
    main()
  File "/app/./mediczuwacz.py", line 281, in main
    display_appointments(new_appointments)
  File "/app/./mediczuwacz.py", line 213, in display_appointments
    doctor = appointment.get("doctor", {}).get("name", "N/A")
AttributeError: 'NoneType' object has no attribute 'get'

[YozenPL]

Changing:
doctor = appointment.get("doctor", {}).get("name", "N/A") in two places
to
doctor = appointment.get("doctor", {}).get("name") if isinstance(appointment.get("doctor"), dict) else "Wizyta dodatkowa"
Is solving the issue but I'm not sure if this is the best way to handle this error.