Merge pull request #338 from shenchucheng/main

fix some bugs

metagpt/__init__.py

@@ -1,5 +1,7 @@
-#!/usr/bin/env python 
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # @Time    : 2023/4/24 22:26
 # @Author  : alexanderwu
 # @File    : __init__.py
+
+from metagpt import _compat as _  # noqa: F401

metagpt/_compat.py

@@ -0,0 +1,15 @@
+import platform
+import sys
+import warnings
+
+if sys.implementation.name == "cpython" and platform.system() == "Windows" and sys.version_info[:2] == (3, 9):
+    # https://github.com/python/cpython/pull/92842
+
+    from asyncio.proactor_events import _ProactorBasePipeTransport
+
+    def pacth_del(self, _warn=warnings.warn):
+        if self._sock is not None:
+            _warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
+            self._sock.close()
+
+    _ProactorBasePipeTransport.__del__ = pacth_del