FIx.

Author: tobiasraabe

tests/test_capture.py

@@ -1,3 +1,4 @@
+import sys
 import textwrap
 
 import pytest
@@ -16,7 +17,14 @@
                 reason="dask cannot handle dynamically imported modules."
             ),
         ),
-        ParallelBackend.LOKY,
+        pytest.param(
+            ParallelBackend.LOKY,
+            marks=pytest.mark.skipif(
+                (sys.version_info[:2] == (3, 12) and sys.platform == "win32")
+                or (sys.version_info[:2] == (3, 13) and sys.platform == "linux"),
+                reason="Deadlock in loky/backend/resource_tracker.py, line 181, maybe related to https://github.com/joblib/loky/pull/450",  # noqa: E501
+            ),
+        ),
         ParallelBackend.PROCESSES,
     ],
 )

tests/test_config.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import os
+import sys
 import textwrap
 
 import pytest
@@ -32,16 +33,18 @@ def test_interplay_between_debugging_and_parallel(tmp_path, pdb, n_workers, expe
         ("n_workers", 1, ExitCode.OK),
         ("n_workers", 2, ExitCode.OK),
         ("parallel_backend", "unknown_backend", ExitCode.CONFIGURATION_FAILED),
-    ]
-    + [
-        ("parallel_backend", parallel_backend, ExitCode.OK)
-        for parallel_backend in (
+        pytest.param(
+            "parallel_backend",
             ParallelBackend.LOKY,
-            ParallelBackend.PROCESSES,
-            ParallelBackend.THREADS,
-        )
-    ]
-    + [
+            ExitCode.OK,
+            marks=pytest.mark.skipif(
+                (sys.version_info[:2] == (3, 12) and sys.platform == "win32")
+                or (sys.version_info[:2] == (3, 13) and sys.platform == "linux"),
+                reason="Deadlock in loky/backend/resource_tracker.py, line 181, maybe related to https://github.com/joblib/loky/pull/450",  # noqa: E501
+            ),
+        ),
+        ("parallel_backend", ParallelBackend.PROCESSES, ExitCode.OK),
+        ("parallel_backend", ParallelBackend.THREADS, ExitCode.OK),
         pytest.param(
             "parallel_backend",
             "dask",

tests/test_execute.py

@@ -20,7 +20,14 @@
             reason="dask cannot handle dynamically imported modules."
         ),
     ),
-    ParallelBackend.LOKY,
+    pytest.param(
+        ParallelBackend.LOKY,
+        marks=pytest.mark.skipif(
+            (sys.version_info[:2] == (3, 12) and sys.platform == "win32")
+            or (sys.version_info[:2] == (3, 13) and sys.platform == "linux"),
+            reason="Deadlock in loky/backend/resource_tracker.py, line 181, maybe related to https://github.com/joblib/loky/pull/450",  # noqa: E501
+        ),
+    ),
     ParallelBackend.PROCESSES,
     ParallelBackend.THREADS,
 ]
@@ -77,11 +84,6 @@ def task_2(path: Annotated[Path, Product] = Path("out_2.txt")):
 
 
 @pytest.mark.parametrize("parallel_backend", _IMPLEMENTED_BACKENDS)
-@pytest.mark.skipif(
-    (sys.version_info[:2] == (3, 12) and sys.platform == "win32")
-    or (sys.version_info[:2] == (3, 13) and sys.platform == "linux"),
-    reason="Deadlock in loky/backend/resource_tracker.py, line 181, maybe related to https://github.com/joblib/loky/pull/450/",
-)
 def test_stop_execution_when_max_failures_is_reached(tmp_path, parallel_backend):
     source = """
     import time