'*xy* is a numpy array with shape Nx2.
If *closed* is *True*, the polygon will be closed so the
starting and ending points are the same.
Valid kwargs are:
%(Patch)s
.. seealso::
:class:`Patch`
For additional kwargs'

@docstring.dedent_interpd
def __init__(self, xy, closed=True, **kwargs):

    Patch.__init__(self, **kwargs)
    self._closed = closed
    self.set_xy(xy)
