Make zoom a private attr

scottshambaugh · scottshambaugh · commit 7a1fbb3e7bb4 · 2022-01-05T09:37:30.000-07:00
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -356,15 +356,15 @@ def set_box_aspect(self, aspect, *, zoom=1):
         """
         if zoom <= 0:
             raise ValueError(f'Argument zoom = {zoom} must be > 0')
-        self.zoom = zoom
+        self._zoom = zoom
 
         if aspect is None:
             aspect = np.asarray((4, 4, 3), dtype=float)
         else:
             aspect = np.asarray(aspect, dtype=float)
             _api.check_shape((3,), aspect=aspect)
         # default scale tuned to match the mpl32 appearance.
-        aspect *= 1.8294640721620434 * self.zoom / np.linalg.norm(aspect)
+        aspect *= 1.8294640721620434 * self._zoom / np.linalg.norm(aspect)
 
         self._box_aspect = aspect
         self.stale = True
