def set_default_nodes(self, nodes):
    ' Set the default nodes to be used\n        '
    if bool(nodes):
        if isinstance(nodes, list):
            nodes = str(nodes)
        config['node'] = nodes
    else:
        config.delete('node')
Set the default nodes to be used
def set_default_nodes(self, nodes):
    ' \n        '
    if bool(nodes):
        if isinstance(nodes, list):
            nodes = str(nodes)
        config['node'] = nodes
    else:
        config.delete('node')