--- pyport.h	2019-07-04 11:50:19.000000000 +0100
+++ pyport.h.new	2019-07-13 18:46:54.000000000 +0100
@@ -510,6 +510,7 @@
  *    Py_DEPRECATED(3.4) typedef int T1;
  *    Py_DEPRECATED(3.8) PyAPI_FUNC(int) Py_OldFunction(void);
  */
+#if !defined(Py_DEPRECATED)
 #if defined(__GNUC__) \
     && ((__GNUC__ >= 4) || (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))
 #define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__))
@@ -519,6 +520,7 @@
 #else
 #define Py_DEPRECATED(VERSION_UNUSED)
 #endif
+#endif
 
 
 /* _Py_HOT_FUNCTION