Uploaded Test files

venv/Lib/site-packages/tornado/test/resolve_test_helper.py

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+from tornado.ioloop import IOLoop
+from tornado.netutil import ThreadedResolver
+
+# When this module is imported, it runs getaddrinfo on a thread. Since
+# the hostname is unicode, getaddrinfo attempts to import encodings.idna
+# but blocks on the import lock. Verify that ThreadedResolver avoids
+# this deadlock.
+
+resolver = ThreadedResolver()
+IOLoop.current().run_sync(lambda: resolver.resolve(u"localhost", 80))