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Fix crashing monkeypatch in `test_pandas_cow` by Ayskin · Pull Request #3571 · DeepLabCut/DeepLabCut · GitHub
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Fix crashing monkeypatch in test_pandas_cow #3571

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Merged
MMathisLab merged 1 commit into from
Nov 3, 2026
Merged

Fix crashing monkeypatch in test_pandas_cow #3571

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14 changes: 12 additions & 2 deletions tests/utils/test_pandas_cow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,20 @@
# ---------------------------------------------------------------------------


@pytest.fixture(autouse=True)
def _restore_pandas_options():
"""Globally avoid pandas options change leak."""
with pd.option_context(
"future.infer_string",
pd.get_option("future.infer_string"),
"mode.copy_on_write",
pd.get_option("mode.copy_on_write"),
):
yield


def _configure_cow_true(monkeypatch) -> None:
"""Configure pandas CoW via the DLC future-mode machinery."""
monkeypatch.setattr(pd.options.future, "infer_string", pd.options.future.infer_string)
monkeypatch.setattr(pd.options.mode, "copy_on_write", pd.options.mode.copy_on_write)
monkeypatch.setenv("DLC_PANDAS_FUTURE", "1")
configure_pandas_future_if_enabled()

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