[Xcb] [PATCH 2/7] Ensure that there's still a valid connection to the X server before attempting to send a request.

[Julien Danjou]

On Thu, Mar 08 2012, Alex Plotnick wrote:

> An exception is raised in that case. If xpybConn_invalid detects
> an invalid connection, it sets an appropriate exception and returns
> a non-zero value as an error indicator. The NULL we return in that
> case is also an error indicator (because we return a PyObject*); the
> exception is already set. This is a standard Python/C API idiom: see
> <http://docs.python.org/c-api/intro.html#exceptions>.

My bad, I misread the called function name, I though it was a xcb_ one.

Patch pushed, thanks!

-- 
           Julien
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