Troubleshoot doctest

Author: jbrockmendel

pandas/_libs/properties.pyx

@@ -64,3 +64,26 @@ cdef class AxisProperty:
 
     def __set__(self, obj, value):
         obj._set_axis(self.axis, value)
+
+
+cdef class ClassProperty:
+    """
+    Property-like that can be accessed on the class and not just on an instance.
+    """
+
+    cdef readonly:
+        object func, name, __doc__
+
+    def __init__(self, func):
+        self.func = func
+        self.name = name
+        self.__doc__ = doc
+
+    def __get__(self, obj, typ):
+        return self.func(obj)
+
+    def __set__(self, obj, value):
+        raise AttributeError("Can't set attribute")
+
+
+class_property = ClassProperty

pandas/core/dtypes/base.py

@@ -8,6 +8,7 @@
 
 from pandas._typing import DtypeObj
 from pandas.errors import AbstractMethodError
+from pandas._libs.properties import class_property
 
 from pandas.core.dtypes.generic import ABCDataFrame, ABCIndexClass, ABCSeries
 
@@ -168,7 +169,7 @@ def kind(self) -> str:
         """
         return "O"
 
-    @property
+    @class_property
     def name(self) -> str:
         """
         A string identifying the data type.