Fix xs length

wangzexi · web-flow · commit 4313f7ca6c8d · 2021-07-01T02:58:35.000+08:00
The `xs` is a 1D array that may not have a `shape` attribute.
diff --git a/lib/mpl_toolkits/mplot3d/art3d.py b/lib/mpl_toolkits/mplot3d/art3d.py
@@ -172,7 +172,7 @@ def __init__(self, xs, ys, zs, *args, **kwargs):
     def set_3d_properties(self, zs=0, zdir='z'):
         xs = self.get_xdata()
         ys = self.get_ydata()
-        zs = np.broadcast_to(zs, xs.shape)
+        zs = np.broadcast_to(zs, len(xs))
         self._verts3d = juggle_axes(xs, ys, zs, zdir)
         self.stale = True
 
