[PATCH 2 of 6 lazymanifest-errors] lazymanifest: check another error return in delitem

[Bryan O'Sullivan]

On Thu, Dec 31, 2015 at 11:05 AM, Augie Fackler <raf at durin42.com> wrote:

>         needle.start = PyString_AsString(key);
> +       if (!needle.start) {
> +               return -1;
> +       }
>

This check is unnecessary as you've already done a PyString_Check a few
lines earlier.

In fact you can and should use PyString_AS_STRING for efficiency here
instead.
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