nonetype object has no attribute dpi attributeerror nonetype object has attributeerror nonetype object has none type object has no attribute nonetype object has no attribute solution exception nonetype object nonetype object has no attribute attributeerror nonetype object has hq model nonetype object has no solution exeption nonetype object has attributeerror nonetype object has the apache airflow forum by astronomer hq model nonetype object has no hq model nonetype object has no mne viz plot raw psd raw not work mne viz plot raw psd raw not work attributeerror nonetype object has attributeerror nonetype object nonetype object has no attribute object has no attribute save csdn traceback error when running tutorial attributeerror nonetype object has 错误attributeerror nonetype object changelog pywebview