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179
self._sock.bind(('127.0.0.1', 0))
179
180
self.host, self.port = self._sock.getsockname()
180
181
self._ready = threading.Event()
182
183
event=self._ready, target=self._accept_read_and_reply)
184
185
if 'threads' in tests.selftest_debug_flags: