diff -ruN Python-3.13.3/Modules/selectmodule.c Python-3.13.3-banan_os/Modules/selectmodule.c
--- Python-3.13.3/Modules/selectmodule.c	2025-04-08 16:54:08.000000000 +0300
+++ Python-3.13.3-banan_os/Modules/selectmodule.c	2025-04-19 02:55:44.944860340 +0300
@@ -54,6 +54,10 @@
 #include <sys/poll.h>
 #endif
 
+#if defined(__banan_os__)
+#include <sys/select.h>
+#endif
+
 #ifdef __sgi
 /* This is missing from unistd.h */
 extern void bzero(void *, int);