How to use the mnelab.model.InvalidAnnotationsError function in mnelab

def import_annotations(self, fname):
        """Import annotations from a CSV file."""
        descs, onsets, durations = [], [], []
        fs = self.current["data"].info["sfreq"]
        with open(fname) as f:
            f.readline()  # skip header
            for line in f:
                ann = line.split(",")
                if len(ann) == 3:  # type, onset, duration
                    onset = float(ann[1].strip())
                    duration = float(ann[2].strip())
                    if onset > self.current["data"].n_times / fs:
                        msg = ("One or more annotations are outside of the "
                               "data range.")
                        raise InvalidAnnotationsError(msg)
                    else:
                        descs.append(ann[0].strip())
                        onsets.append(onset)
                        durations.append(duration)
        annotations = mne.Annotations(onsets, durations, descs)
        self.current["data"].set_annotations(annotations)

def import_file(self, f, text, ffilter="*"):
        """Import file."""
        fname = QFileDialog.getOpenFileName(self, text, filter=ffilter)[0]
        if fname:
            try:
                f(fname)
            except LabelsNotFoundError as e:
                QMessageBox.critical(self, "Channel labels not found", str(e))
            except InvalidAnnotationsError as e:
                QMessageBox.critical(self, "Invalid annotations", str(e))