remove warning

Author: kumaraditya303

Lib/asyncio/streams.py

@@ -5,7 +5,6 @@
 import collections
 import socket
 import sys
-import warnings
 import weakref
 
 if hasattr(socket, 'AF_UNIX'):
@@ -393,10 +392,9 @@ async def start_tls(self, sslcontext, *,
         self._transport = new_transport
         protocol._replace_writer(self)
 
-    def __del__(self, warnings=warnings):
+    def __del__(self):
         if not self._transport.is_closing():
             self.close()
-            warnings.warn(f"unclosed {self!r}", ResourceWarning)
 
 
 class StreamReader:

Misc/NEWS.d/next/Library/2023-08-05-05-10-41.gh-issue-106684.P9zRXb.rst

@@ -1 +1 @@
-Raise :exc:`ResourceWarning` when :class:`asyncio.StreamWriter` is not closed leading to memory leaks. Patch by Kumar Aditya.
+Close :class:`asyncio.StreamWriter` when it is not closed by application leading to memory leaks. Patch by Kumar Aditya.