def _write_parameter(self, df: pd.DataFrame, parameter_name: str, handle: pd.ExcelWriter, default: float):
    df = self._form_parameter(df, parameter_name, default)
    df.to_excel(handle, sheet_name=parameter_name, merge_cells=False)
def _write_parameter(self, df: pd.DataFrame, parameter_name: str, handle: pd.ExcelWriter, default: float):
    df = self._form_parameter(df, parameter_name, default)
    df.to_excel(handle, sheet_name=parameter_name, merge_cells=False)