remove _types (#4220)

stdlib/3/asyncio/base_events.pyi

@@ -9,7 +9,7 @@ from asyncio.events import AbstractEventLoop, AbstractServer, Handle, TimerHandl
 from asyncio.protocols import BaseProtocol
 from asyncio.tasks import Task
 from asyncio.transports import BaseTransport
-from _types import FileDescriptorLike
+from _typeshed import FileDescriptorLike
 
 if sys.version_info >= (3, 7):
     from contextvars import Context

stdlib/3/asyncio/events.pyi

@@ -11,7 +11,7 @@ from asyncio.unix_events import AbstractChildWatcher
 if sys.version_info >= (3, 7):
     from contextvars import Context
 
-from _types import FileDescriptorLike
+from _typeshed import FileDescriptorLike
 
 _T = TypeVar('_T')
 _Context = Dict[str, Any]