Merge pull request numpy#27085 from ngoldbaum/misc-free-threading-fixes

ENH: fixes for warnings on free-threaded wheel builds

Author: seberg

numpy/_core/tests/test_nep50_promotions.py

@@ -352,18 +352,11 @@ def legacy_no_warn():
         np._set_promotion_state("legacy")
         b.wait()
         assert np._get_promotion_state() == "legacy"
-        # turn warnings into errors, this should not warn with
-        # legacy promotion state
-        with warnings.catch_warnings():
-            warnings.simplefilter("error")
-            np.float16(1) + 131008
 
     def weak_warn():
         np._set_promotion_state("weak")
         b.wait()
         assert np._get_promotion_state() == "weak"
-        with pytest.raises(RuntimeWarning):
-            np.float16(1) + 131008
 
     task1 = threading.Thread(target=legacy_no_warn)
     task2 = threading.Thread(target=weak_warn)

numpy/linalg/tests/test_linalg.py

@@ -4,6 +4,7 @@
 import os
 import sys
 import itertools
+import threading
 import traceback
 import textwrap
 import subprocess
@@ -1943,7 +1944,9 @@ def test_generalized_raise_multiloop():
 
     assert_raises(np.linalg.LinAlgError, np.linalg.inv, x)
 
-
+@pytest.mark.skipif(
+    threading.active_count() > 1,
+    reason="skipping test that uses fork because there are multiple threads")
 def test_xerbla_override():
     # Check that our xerbla has been successfully linked in. If it is not,
     # the default xerbla routine is called, which prints a message to stdout

numpy/random/_examples/cython/meson.build

@@ -12,7 +12,7 @@ if not cy.version().version_compare('>=3.0.6')
 endif
 
 base_cython_args = []
-if cy.version().version_compare('>=3.1.0a0')
+if cy.version().version_compare('>=3.1.0')
   base_cython_args += ['-Xfreethreading_compatible=True']
 endif