fix secure tab

venv/lib/python3.9/site-packages/gevent/core.py

@@ -0,0 +1,20 @@
+# Copyright (c) 2009-2015 Denis Bilenko and gevent contributors. See LICENSE for details.
+"""
+Deprecated; this does not reflect all the possible options
+and its interface varies.
+
+.. versionchanged:: 1.3a2
+    Deprecated.
+"""
+from __future__ import absolute_import
+
+import sys
+
+from gevent._config import config
+from gevent._util import copy_globals
+
+_core = sys.modules[config.loop.__module__]
+
+copy_globals(_core, globals())
+
+__all__ = _core.__all__ # pylint:disable=no-member