From ef23055d12228ba8decd7ce4736518c074d497f5 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <tgoodlet@gmail.com>
Date: Tue, 1 Jan 2019 12:14:57 -0500
Subject: [PATCH] Use proper typing syntax

---
 tractor/_portal.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tractor/_portal.py b/tractor/_portal.py
index eb89252..fff39db 100644
--- a/tractor/_portal.py
+++ b/tractor/_portal.py
@@ -4,7 +4,7 @@ Portal api
 import importlib
 import inspect
 import typing
-from typing import Tuple, Any, Dict, Optional
+from typing import Tuple, Any, Dict, Optional, Set
 
 import trio
 from async_generator import asynccontextmanager
@@ -65,7 +65,7 @@ class Portal:
         self._expect_result: Optional[
             Tuple[str, Any, str, Dict[str, Any]]
         ] = None
-        self._agens: Set(AsyncGenerator) = set()
+        self._agens: Set[typing.AsyncGenerator] = set()
 
     async def aclose(self) -> None:
         log.debug(f"Closing {self}")