gh-150374: Fix double release of import lock in lazy import reification (#150376)

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-05-25-16-00-22.gh-issue-150374.Emu6d8.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-05-25-16-00-22.gh-issue-150374.Emu6d8.rst
new file mode 100644 (file)
index 0000000..7189ca1
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-05-25-16-00-22.gh-issue-150374.Emu6d8.rst
@@ -0,0 +1 @@
+Fix double release of the import lock on lazy import reification errors.

diff --git a/Python/import.c b/Python/import.c
index 91164bc8043b226178c8ee6fcf833ab26a2f00dc..3e470d2c22cfbd789253767f6f202955a9856907 100644 (file)
--- a/Python/import.c
+++ b/Python/import.c
@@ -3928,7 +3928,6 @@ _PyImport_LoadLazyImportTstate(PyThreadState *tstate, PyObject *lazy_import)
         return NULL;
     }
     else if (PySet_Add(importing, lazy_import) < 0) {
-        _PyImport_ReleaseLock(interp);
         goto error;
     }