[python-package] make LGBMDeprecationWarning inherit from FutureWarning (#6447)

f6c8f5d8 · James Lamb · GitHub · ceb99861 · f6c8f5d8
Unverified Commit f6c8f5d8 authored May 28, 2024 by James Lamb Committed by GitHub May 28, 2024
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python-package/lightgbm/basic.py python-package/lightgbm/basic.py +2 -1

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--- a/python-package/lightgbm/basic.py
+++ b/python-package/lightgbm/basic.py
@@ -556,7 +556,8 @@ class LightGBMError(Exception):


 # DeprecationWarning is not shown by default, so let's create our own with higher level
-class LGBMDeprecationWarning(UserWarning):
+# ref: https://peps.python.org/pep-0565/#additional-use-case-for-futurewarning
+class LGBMDeprecationWarning(FutureWarning):
    """Custom deprecation warning."""

    pass