kszucs commented on a change in pull request #7519:
URL: https://github.com/apache/arrow/pull/7519#discussion_r445603562
##########
File path: python/pyarrow/util.py
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@@ -41,6 +41,24 @@ def wrapper(*args, **kwargs):
return wrapper
+def _deprecate_class(old_name, new_class, next_version,
+ instancecheck=True):
+ """
+ Raise warning if a deprecated class is used in an isinstance check.
Review comment:
The deprecated classes cannot be instantiated, so we don't need to worry
about it for now - although we can add support for overriding `__init__` for
later reuse.
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