How to use the mnelab.dialogs.CalcDialog function in mnelab

def run_ica(self):
        """Run ICA calculation."""

        methods = ["Infomax"]
        if have["picard"]:
            methods.insert(0, "Picard")
        if have["sklearn"]:
            methods.append("FastICA")

        dialog = RunICADialog(self,
                              self.model.current["data"].info["nchan"],
                              methods)

        if dialog.exec_():
            calc = CalcDialog(self, "Calculating ICA", "Calculating ICA.")

            method = dialog.method.currentText().lower()
            exclude_bad_segments = dialog.exclude_bad_segments.isChecked()

            fit_params = {}
            if dialog.extended.isEnabled():
                fit_params["extended"] = dialog.extended.isChecked()
            if dialog.ortho.isEnabled():
                fit_params["ortho"] = dialog.ortho.isChecked()

            ica = mne.preprocessing.ICA(method=method,
                                        fit_params=fit_params)
            history = f"ica = mne.preprocessing.ICA(method='{method}'"
            if fit_params:
                history += f", fit_params={fit_params})"
            else: