Restore getattr in socket.py

Author: rruuaanng

Lib/socket.py

@@ -67,6 +67,11 @@
            "has_dualstack_ipv6", "AddressFamily", "SocketKind"]
 __all__.extend(os._get_exports_list(_socket))
 
+def __getattr__(name):
+    if name == "SocketType":
+        return _socket.socket
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
+
 
 # Set up the socket.AF_* socket.SOCK_* constants as members of IntEnums for
 # nicer string representations.