Revert "bpo-44717: improve AttributeError on circular imports of submodules (GH-27299)" (GH-27331)

This reverts commit 8072a1181dd64135f700b44372fbf7bf91e68072.

1 files changed, 0 insertions, 30 deletions

diff --git a/Objects/moduleobject.c b/Objects/moduleobject.c
index 1c37eb0..ef39bde 100644
--- a/Objects/moduleobject.c
+++ b/Objects/moduleobject.c
@@ -739,30 +739,6 @@ _PyModuleSpec_IsInitializing(PyObject *spec)
     return 0;
 }
 
-/* Check if the submodule name is in the "_uninitialized_submodules" attribute
-   of the module spec.
- */
-int
-_PyModuleSpec_IsUninitializedSubmodule(PyObject *spec, PyObject *name)
-{
-    if (spec == NULL) {
-         return 0;
-    }
-
-    _Py_IDENTIFIER(_uninitialized_submodules);
-    PyObject *value = _PyObject_GetAttrId(spec, &PyId__uninitialized_submodules);
-    if (value == NULL) {
-        return 0;
-    }
-
-    int is_uninitialized = PySequence_Contains(value, name);
-    Py_DECREF(value);
-    if (is_uninitialized == -1) {
-        return 0;
-    }
-    return is_uninitialized;
-}
-
 static PyObject*
 module_getattro(PyModuleObject *m, PyObject *name)
 {
@@ -797,12 +773,6 @@ module_getattro(PyModuleObject *m, PyObject *name)
                             "(most likely due to a circular import)",
                             mod_name, name);
         }
-        else if (_PyModuleSpec_IsUninitializedSubmodule(spec, name)) {
-            PyErr_Format(PyExc_AttributeError,
-                            "cannot access submodule '%U' of module '%U' "
-                            "(most likely due to a circular import)",
-                            name, mod_name);
-        }
         else {
             PyErr_Format(PyExc_AttributeError,
                             "module '%U' has no attribute '%U'",