def add_vba_project(self, vba_project, is_stream=False):
        if not is_stream and not os.path.exists(vba_project):
            warn("VBA project binary file '%s' not found."
                 % force_unicode(vba_project))
            return -1

        self.vba_project = vba_project
        self.vba_is_stream = is_stream
Add a vbaProject binary to the Excel workbook.
dataset/ETHPy150Open jmcnamara/XlsxWriter/xlsxwriter/workbook.py/Workbook.add_vba_project