bpo-43269: Remove redundant extern keywords (GH-24605)
diff --git a/Modules/_sqlite/cache.c b/Modules/_sqlite/cache.c
index ec4a22f..8da0a64 100644
--- a/Modules/_sqlite/cache.c
+++ b/Modules/_sqlite/cache.c
@@ -296,7 +296,8 @@ static PyType_Spec cache_spec = {
};
PyTypeObject *pysqlite_CacheType = NULL;
-extern int pysqlite_cache_setup_types(PyObject *mod)
+int
+pysqlite_cache_setup_types(PyObject *mod)
{
pysqlite_NodeType = (PyTypeObject *)PyType_FromModuleAndSpec(mod, &node_spec, NULL);
if (pysqlite_NodeType == NULL) {