call site 10 for execnet.Channel.waitclose
execnet/testing/test_gateway.py - line 299
295
296
297
298
299
300
301
302
   def test_remote_redirect_stdout(self): 
       out = py.std.StringIO.StringIO() 
       handle = self.gw._remote_redirect(stdout=out) 
       c = self.gw.remote_exec("print 42")
->     c.waitclose(TESTTIMEOUT)
       handle.close() 
       s = out.getvalue() 
       assert s.strip() == "42"