bpo-38304: PyConfig_InitPythonConfig() cannot fail anymore (GH-16509)


PyConfig_InitPythonConfig() and PyConfig_InitIsolatedConfig() no
longer return PyStatus: they cannot fail anymore.
(cherry picked from commit 8462a4936b3a551dc546a6adea04a70b0a07ca67)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
diff --git a/Python/pathconfig.c b/Python/pathconfig.c
index ff4bbf2..7f3fdcc 100644
--- a/Python/pathconfig.c
+++ b/Python/pathconfig.c
@@ -432,16 +432,11 @@
 static PyStatus
 pathconfig_global_read(_PyPathConfig *pathconfig)
 {
-    PyStatus status;
     PyConfig config;
-
-    status = _PyConfig_InitCompatConfig(&config);
-    if (_PyStatus_EXCEPTION(status)) {
-        goto done;
-    }
+    _PyConfig_InitCompatConfig(&config);
 
     /* Call _PyConfig_InitPathConfig() */
-    status = PyConfig_Read(&config);
+    PyStatus status = PyConfig_Read(&config);
     if (_PyStatus_EXCEPTION(status)) {
         goto done;
     }