backwards compatibility

Author: alexhroom

RATapi/controls.py

@@ -3,6 +3,7 @@
 import tempfile
 import warnings
 from pathlib import Path
+from typing import Union
 
 import prettytable
 from pydantic import (
@@ -222,7 +223,7 @@ def delete_IPC(self):
             os.remove(self._IPCFilePath)
         return None
 
-    def save(self, path: str | Path, filename: str = "controls"):
+    def save(self, path: Union[str, Path], filename: str = "controls"):
         """Save a controls object to a JSON file.
 
         Parameters
@@ -235,7 +236,7 @@ def save(self, path: str | Path, filename: str = "controls"):
         file.write_text(self.model_dump_json())
 
     @classmethod
-    def load(cls, path: str | Path) -> "Controls":
+    def load(cls, path: Union[str, Path]) -> "Controls":
         """Load a controls object from file.
 
         Parameters