Update lib/matplotlib/cbook/__init__.py

oscargus · greglucas · web-flow · commit 05e850138bc0 · 2022-03-11T09:24:48.000+01:00
Co-authored-by: Greg Lucas &lt;greg.m.lucas@gmail.com&gt;
diff --git a/lib/matplotlib/cbook/__init__.py b/lib/matplotlib/cbook/__init__.py
@@ -2233,7 +2233,8 @@ def _unpack_to_numpy(x):
     if hasattr(x, 'to_numpy'):
         # Assume that any function to_numpy() do actually return a numpy array
         return x.to_numpy()
-    if hasattr(x, 'values'):
+    if isinstance(getattr(x, 'values', None), np.ndarray):
+        return x.values
         xtmp = x.values
         # For example a dict has a 'values' attribute, but it is not a property
         # so in this case we do not want to return a function
