fix bug

leylines/leylines/client.py

@@ -1,5 +1,4 @@
 import asyncio
-from contextlib import suppress
 import os
 from typing import Optional
 
@@ -67,12 +66,18 @@ class ClientSession:
         return api
 
     async def __aexit__(self, *args):
-        with suppress(Exception):
+        try:
             self.writer.close()
             await self.writer.wait_closed()
-        with suppress(Exception):
+        except:
+            pass
+        try:
             self.tasks[0].cancel()
             await self.tasks[0]
-        with suppress(Exception):
+        except:
+            pass
+        try:
             self.tasks[1].cancel()
             await self.tasks[1]
+        except:
+            pass