fix: change types back compatible to python 3.9.2

Author: vgulerianb

server/api/fury.py

@@ -4,7 +4,7 @@
 from functools import lru_cache
 from sqlalchemy.orm import Session
 from pydantic import BaseModel, Field
-from typing import Annotated, Dict, Any
+from typing import Annotated, Dict, Any, Union
 from sqlalchemy.exc import IntegrityError
 from fastapi import APIRouter, Depends, Header, Request, Response, Query
 
@@ -302,7 +302,7 @@ def list_fury_actions(
 #
 
 
-def validate_action(fury_action: ActionRequest | ActionUpdateRequest, resp: Response) -> tuple[Node, Response]:
+def validate_action(fury_action: Union[ActionRequest, ActionUpdateRequest], resp: Response) -> tuple[Node, Response]:
     # if the function is to be updated then perform the full validation same as when creating a new action
     if len(fury_action.outputs) != 1:
         resp.status_code = 400

server/fury/base.py

@@ -745,7 +745,7 @@ def from_json(cls, data: str):
         return cls.from_dict(json.loads(data))
 
     def __call__(
-        self, data: str | Dict[str, Any], thoughts_callback: Optional[Callable] = None, print_thoughts: bool = False
+        self, data: Union[str, Dict[str, Any]], thoughts_callback: Optional[Callable] = None, print_thoughts: bool = False
     ) -> Tuple[Var, Dict[str, Any]]:
         if not isinstance(data, dict):
             assert isinstance(data, str), f"Invalid data type: {type(data)}"