add missing header

xuantengh · xuantengh · commit f7fbb68c18aa · 2025-06-18T00:07:17.000+08:00
diff --git a/Modules/_heapqmodule.c b/Modules/_heapqmodule.c
@@ -12,6 +12,7 @@ annotated by François Pinard, and converted to C by Raymond Hettinger.
 
 #include "Python.h"
 #include "pycore_list.h"          // _PyList_ITEMS(), _PyList_AppendTakeRef()
+#include "pyatomic.h"
 
 #include "clinic/_heapqmodule.c.h"
 
