Improve session

none/helpers.py

@@ -1,6 +1,4 @@
-from typing import Dict, Any, Union, List
-
-from aiocqhttp import CQHttp, Error as CQHttpError
+from typing import Dict, Any
 
 
 def context_source(ctx: Dict[str, Any]) -> str:
@@ -12,13 +10,3 @@ def context_source(ctx: Dict[str, Any]) -> str:
     if ctx.get('user_id'):
         src += f'/user/{ctx["user_id"]}'
     return src
-
-
-async def send(bot: CQHttp, ctx: Dict[str, Any],
-               message: Union[str, Dict[str, Any], List[Dict[str, Any]]],
-               *, ignore_failure: bool = True) -> None:
-    try:
-        await bot.send(ctx, message)
-    except CQHttpError:
-        if not ignore_failure:
-            raise