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Handle 0-tuples which can be singletons.

This commit is contained in:
Raymond Hettinger 2008-03-02 12:02:19 +00:00
parent 61024b9181
commit e3fabd10cb
1 changed files with 1 additions and 1 deletions
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Modules/itertoolsmodule.c
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@ -1919,7 +1919,7 @@ product_next(productobject *lz)
Py_DECREF(old_result); Py_DECREF(old_result);
} }
/* Now, we've got the only copy so we can update it in-place */ /* Now, we've got the only copy so we can update it in-place */
assert (Py_REFCNT(result) == 1); assert (npools==0 || Py_REFCNT(result) == 1);
/* Update the pool indices right-to-left. Only advance to the /* Update the pool indices right-to-left. Only advance to the
next pool when the previous one rolls-over */ next pool when the previous one rolls-over */