docs: def mag_calibration(self):
          """Perform magnetometer calibration for current IMU."""
          self.calibration_state = self.CAL_MAG
          self.mag_dialog = SK8MagDialog(self.sk8.get_imu(self.spinIMU.value()), self)
          if self.mag_dialog.exec_() == QDialog.Rejected:
              return
  
          self.calculate_mag_calibration(self.mag_dialog.samples)