athenad: explicitly delete socket in getMessage (#34098)

explicitly delete socket in getMessage

system/athena/athenad.py

@@ -309,6 +309,7 @@ def getMessage(service: str, timeout: int = 1000) -> dict:
     raise Exception("invalid service")
 
   socket = messaging.sub_sock(service, timeout=timeout)
+  try:
     ret = messaging.recv_one(socket)
 
     if ret is None:
@@ -316,6 +317,8 @@ def getMessage(service: str, timeout: int = 1000) -> dict:
 
     # this is because capnp._DynamicStructReader doesn't have typing information
     return cast(dict, ret.to_dict())
+  finally:
+    del socket
 
 
 @dispatcher.add_method