fix secure tab

venv/lib/python3.9/site-packages/gevent/tests/test__subprocess_poll.py

@@ -0,0 +1,13 @@
+import sys
+# XXX: Handle this more automatically. See comments in the testrunner.
+from gevent.testing.resources import exit_without_resource
+exit_without_resource('subprocess')
+
+from gevent.subprocess import Popen
+from gevent.testing.util import alarm
+
+alarm(3)
+
+popen = Popen([sys.executable, '-c', 'pass'])
+while popen.poll() is None:
+    pass