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-rw-r--r--Include/moduleobject.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Include/moduleobject.h b/Include/moduleobject.h
index 00a23aae20..8c3ba61227 100644
--- a/Include/moduleobject.h
+++ b/Include/moduleobject.h
@@ -9,7 +9,7 @@ extern "C" {
extern DL_IMPORT(PyTypeObject) PyModule_Type;
-#define PyModule_Check(op) ((op)->ob_type == &PyModule_Type)
+#define PyModule_Check(op) PyObject_TypeCheck(op, &PyModule_Type)
extern DL_IMPORT(PyObject *) PyModule_New(char *);
extern DL_IMPORT(PyObject *) PyModule_GetDict(PyObject *);