1d8526951e3ac9ff5a798c4915f60bc9ddad439c,Orange/canvas/report/owreport.py,OWReport,_show_scheme,#OWReport#Any#,101

Before Change

        scheme = self.table_model.item(row).scheme
        canvas = self.get_canvas_instance()
        if canvas:
            canvas.load_scheme_xml(scheme)

    def _get_scheme(self):
        canvas = self.get_canvas_instance()
        return canvas.get_scheme_xml() if canvas else None

After Change

            document = canvas.current_document()
            if document.isModifiedStrict():
                self.last_scheme = canvas.get_scheme_xml()
            canvas.load_scheme_xml(scheme)

    def _get_scheme(self):
        canvas = self.get_canvas_instance()
        return canvas.get_scheme_xml() if canvas else None

Instances