Update idxtool.py

.scripts/idxtool.py

@@ -111,10 +111,10 @@ def rebuild_toc(toc_out: str = '') -> Tuple[bool, str]:
 
     # Count GPTs
     enumerated_gpts = list(enum_gpts())
-    ok_count = sum(1 for ok, _ in enumerated_gpts if ok)    
+    nb_ok = sum(1 for ok, gpt in enumerated_gpts if ok and gpt.id())    
 
     # Write the marker line and each GPT entry
-    out.append(f"{TOC_GPT_MARKER_LINE} ({ok_count} total)\n")
+    out.append(f"{TOC_GPT_MARKER_LINE} ({nb_ok} total)\n")
 
     nb_ok = nb_total = 0
     gpts = []