def __str__()

in lib/graph.py [0:0]


    def __str__(self):
        if self.description:
            desc_cell = f"\n<TD><B>{self.description}</B></TD>"
        else:
            desc_cell = ""
        return '''"{id}" [label=<
            <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
                <TR>
                    <TD><B>{pipeline_name}</B></TD>{desc_cell}
                </TR>
                <TR>
                    <TD COLSPAN="2">{command}</TD>
                </TR>
            </TABLE>> {style}];'''.format(
                id=self.id, command=self.command,
                desc_cell=desc_cell,
                pipeline_name=self.pipeline_name,
                style=",".join([
                    f'{key}="{Node.escape(value)}"'
                    for key, value in self.style.items()]))