def _test():
    from fipy.viewers.viewer import _test2D
    _test2D(Matplotlib2DGridContourViewer)
def _test():
    from fipy.viewers.viewer import _test2D
    _test2D(Matplotlib2DGridViewer)
def _test():
    from fipy.viewers.viewer import _test2D
    _test2D(Matplotlib2DContourViewer)