fix failed test

Author: wwwjfy

gino/ext/starlette.py

@@ -1,8 +1,7 @@
-import typing
-
 # noinspection PyPackageRequirements
 from starlette.applications import Starlette
-from starlette.types import ASGIApp, Message, Receive, Scope, Send
+# noinspection PyPackageRequirements
+from starlette.types import Message, Receive, Scope, Send
 # noinspection PyPackageRequirements
 from starlette.exceptions import HTTPException
 # noinspection PyPackageRequirements

tests/test_sanic.py

@@ -1,3 +1,5 @@
+import asyncio
+
 from async_generator import yield_, async_generator
 import pytest
 import sanic
@@ -11,6 +13,11 @@
 _MAX_INACTIVE_CONNECTION_LIFETIME = 59.0
 
 
+def teardown_module():
+    # sanic server will close the loop during shutdown
+    asyncio.set_event_loop(asyncio.new_event_loop())
+
+
 # noinspection PyShadowingNames
 async def _app(config):
     app = sanic.Sanic()