1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index bfa4590..3d30006 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -633,7 +633,11 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
 
         fut = self.create_future()
         self._sock_connect(fut, sock, address)
-        return await fut
+        try:
+            return await fut
+        finally:
+            # Needed to break cycles when an exception occurs.
+            fut = None
 
     def _sock_connect(self, fut, sock, address):
         fd = sock.fileno()
@@ -655,6 +659,8 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
             fut.set_exception(exc)
         else:
             fut.set_result(None)
+        finally:
+            fut = None
 
     def _sock_write_done(self, fd, fut, handle=None):
         if handle is None or not handle.cancelled():
@@ -678,6 +684,8 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
             fut.set_exception(exc)
         else:
             fut.set_result(None)
+        finally:
+            fut = None
 
     async def sock_accept(self, sock):
         """Accept a connection.