Better cast

Author: FreddieAkeroyd

src/genie_python/genie_dae.py

@@ -2241,7 +2241,8 @@ def get_autosave_freq(self) -> int | None:
         """
         Gets the ICP autosave frequency (Frames).
         """
-        return int(self._get_pv_value(self._get_dae_pv_name("autosave_freq")))
+        val = self._get_pv_value(self._get_dae_pv_name("autosave_freq"))
+        return int(val) if val != None else None
 
     def set_autosave_freq(self, freq: int) -> None:
         """