'Create an empty GraphicsLayout and place it in the next available cell (or in the cell specified)
All extra keyword arguments are passed to :func:`GraphicsLayout.__init__ <pyqtgraph.GraphicsLayout.__init__>`
Returns the created item.'

def addLayout(self, row=None, col=None, rowspan=1, colspan=1, **kargs):

    layout = GraphicsLayout(**kargs)
    self.addItem(layout, row, col, rowspan, colspan)
    return layout
