a

Paul Behrisch · Paul Behrisch · commit 894fe4b956cb · 2025-07-22T23:21:56.000+10:00
diff --git a/pandas/core/base.py b/pandas/core/base.py
@@ -569,6 +569,7 @@ def array(self) -> ExtensionArray:
         ['a', 'b', 'a']
         Categories (2, str): [a, b]
         """
+        raise AbstractMethodError(self)
 
     def to_numpy(
         self,
