Use `aclosing()` around ws async gen

piker/brokers/kraken/broker.py

@@ -32,6 +32,7 @@ from typing import (
     Union,
 )
 
+from async_generator import aclosing
 from bidict import bidict
 import pendulum
 import trio
@@ -316,6 +317,7 @@ async def trades_dialogue(
                 ),
             ) as ws,
             trio.open_nursery() as n,
+            aclosing(stream_messages(ws)) as stream,
         ):
             # task local msg dialog tracking
             emsflow: dict[
@@ -339,7 +341,7 @@ async def trades_dialogue(
 
             # enter relay loop
             await handle_order_updates(
-                ws,
+                stream,
                 ems_stream,
                 emsflow,
                 ids,
@@ -351,7 +353,7 @@ async def trades_dialogue(
 
 
 async def handle_order_updates(
-    ws: NoBsWs,
+    ws_stream: NoBsWs,
     ems_stream: tractor.MsgStream,
     emsflow: dict[str, list[MsgUnion]],
     ids: bidict[str, int],
@@ -372,7 +374,7 @@ async def handle_order_updates(
     # on new trade clearing events (aka order "fills")
     trans: list[pp.Transaction]
 
-    async for msg in stream_messages(ws):
+    async for msg in ws_stream:
         match msg:
             # process and relay clearing trade events to ems
             # https://docs.kraken.com/websockets/#message-ownTrades