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gh-161354: Fix test_ast.test_nodes_have_inline_values() #161406

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Merged
vstinner merged 1 commit into from
Nov 5, 2026
+5 −0
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gh-161354: Fix test_ast.test_nodes_have_inline_values() #161406

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5 changes: 5 additions & 0 deletions Lib/test/test_ast/test_ast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
_testinternalcapi = None

from test import support
from test.support import isolation
from test.support import os_helper
from test.support import (skip_emscripten_stack_overflow,
skip_wasi_stack_overflow,
Expand Down Expand Up @@ -104,6 +105,10 @@ def test_AST_objects(self):
ast.AST(2)

@unittest.skipIf(_testinternalcapi is None, "requires _testinternalcapi")
# gh-161354: Run the test in a subprocess to make it more deterministic.
# Inline values depend on Constant_type.ht_cached_keys which changes when
# ast.Constant instances are created, so they depend on other run tests.
@isolation.runInSubprocess()
def test_nodes_have_inline_values(self):
tree = ast.parse("x = f(y, z=1)")
for node in ast.walk(tree):
Expand Down
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