Fix：(#381) Remove redundant typing. Adding support for Python < 3.10 …

…and >3.8 (#387)

fix：(#381)去除不必要的类型提示，增强版本兼容性 (#387)

api/answer.py

@@ -1,7 +1,6 @@
 import configparser
 import requests
 from pathlib import Path
-from typing import Optional
 import json
 from api.logger import logger
 import random
@@ -20,7 +19,7 @@ def __init__(self, file: str = "cache.json"):
             self.cacheFile.open("w").write("{}")
         self.fp = self.cacheFile.open("r+", encoding="utf8")
 
-    def getCache(self, question: str) -> Optional[str]:
+    def getCache(self, question: str):
         self.fp.seek(0)
         data = json.load(self.fp)
         if isinstance(data, dict):
@@ -83,7 +82,7 @@ def _init_tiku(self):
         # 仅用于题库初始化，例如配置token，交由自定义题库完成
         pass
 
-    def config_set(self,config:configparser.ConfigParser|None):
+    def config_set(self,config):
         self._conf = config
 
     def _get_conf(self):
@@ -99,7 +98,7 @@ def _get_conf(self):
             self.DISABLE = True
             return None
 
-    def query(self,q_info:dict) -> str|None:
+    def query(self,q_info:dict):
         if self.DISABLE:
             return None