threadmodule.c comment error?

[Curtis Jensen]

According to online documentation the thread.start_new_thread function
takes three arguments, the last is optional.  This is correct.  However,
in the source code threadmodule.c (line 263 of the 1.5.2 rev.) it says,
"optional 2nd arg must be a tuple."  This seems to contradict what it
actually is; the second arg. is not optional.  Is this the case or am I
looking in the wrong spot?

-- 
Curtis Jensen
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