fixes for stubtest

Author: julianz-

cheroot/server.pyi

@@ -1,5 +1,18 @@
 from typing import Any
 
+__all__ = (
+    'ChunkedRFile',
+    'DropUnderscoreHeaderReader',
+    'Gateway',
+    'HTTPConnection',
+    'HTTPRequest',
+    'HTTPServer',
+    'HeaderReader',
+    'KnownLengthRFile',
+    'SizeCheckWrapper',
+    'get_ssl_adapter_class',
+)
+
 class HeaderReader:
     def __call__(self, rfile, hdict: Any | None = ...): ...
 

cheroot/workers/threadpool.pyi

@@ -1,6 +1,8 @@
 import threading
 from typing import Any
 
+__all__ = ('ThreadPool', 'WorkerThread')
+
 class TrueyZero:
     def __add__(self, other): ...
     def __radd__(self, other): ...

stubtest_allowlist.txt

@@ -35,9 +35,6 @@ cheroot.ssl.pyopenssl.SSLConnection.want_read
 cheroot.ssl.pyopenssl.SSLConnection.want_write
 cheroot.ssl.pyopenssl.SSLConnection.write
 
-# false positives (https://github.com/python/mypy/issues/11843)
-cheroot.connections.IS_WINDOWS
-
 # suppress is both a function and class
 cheroot._compat.suppress