SF patch #1669633, add methods for bytes from Pete Shinners.
diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 52623ba..e0979b5 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -122,6 +122,7 @@
 PyAPI_FUNC(int) _PyFrame_Init(void);
 PyAPI_FUNC(int) _PyInt_Init(void);
 PyAPI_FUNC(void) _PyFloat_Init(void);
+PyAPI_FUNC(int) PyBytes_Init(void);
 
 /* Various internal finalizers */
 PyAPI_FUNC(void) _PyExc_Fini(void);
@@ -133,6 +134,7 @@
 PyAPI_FUNC(void) PyList_Fini(void);
 PyAPI_FUNC(void) PySet_Fini(void);
 PyAPI_FUNC(void) PyString_Fini(void);
+PyAPI_FUNC(void) PyBytes_Fini(void);
 PyAPI_FUNC(void) PyInt_Fini(void);
 PyAPI_FUNC(void) PyFloat_Fini(void);
 PyAPI_FUNC(void) PyOS_FiniInterrupts(void);