[Bug] fixed headless linux GTK test problem in testing

Author: Ghua8088

tests/test_clipboard_os.py

@@ -1,5 +1,12 @@
 import time
-from pytron.dependencies import pytron_os
+import pytest
+
+# pytron_os is a native binary (.so/.pyd) that requires platform libs like GTK on Linux.
+# Skip the whole module if it can't be loaded (e.g. headless CI with no GTK).
+pytron_os = pytest.importorskip(
+    "pytron.dependencies.pytron_os",
+    reason="pytron_os native binary unavailable (missing system libs or not built)",
+)
 
 
 def test_clipboard_integrity():