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new ddc422944e GH-49295: [Python] Remove "mimalloc" from
`mandatory_backends` (#49645)
ddc422944e is described below
commit ddc422944e5bbfdd6b76b4d0c4d8c0c6625b14f4
Author: Sutou Kouhei <[email protected]>
AuthorDate: Fri Apr 3 09:03:08 2026 +0900
GH-49295: [Python] Remove "mimalloc" from `mandatory_backends` (#49645)
### Rationale for this change
mimalloc is enabled by default but users can disable it. For example,
Debian package disables it.
If it's disabled, PyArrow tests are failed.
### What changes are included in this PR?
Remove `"mimalloc"` from `mandatory_backends` in our test.
### Are these changes tested?
Yes.
### Are there any user-facing changes?
No.
* GitHub Issue: #49295
Authored-by: Sutou Kouhei <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>
---
python/pyarrow/tests/test_memory.py | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/python/pyarrow/tests/test_memory.py
b/python/pyarrow/tests/test_memory.py
index 29e47b5175..56196bd9c5 100644
--- a/python/pyarrow/tests/test_memory.py
+++ b/python/pyarrow/tests/test_memory.py
@@ -30,9 +30,7 @@ import pytest
pytestmark = pytest.mark.processes
possible_backends = ["system", "jemalloc", "mimalloc"]
-# Backends which are expected to be present in all builds of PyArrow,
-# except if the user manually recompiled Arrow C++.
-mandatory_backends = ["system", "mimalloc"]
+mandatory_backends = ["system"]
def backend_factory(backend_name):
