py-pyqt4: fix for the depends_lib reset caused by the Python PortGroup

[Joshua Root]

On 2016-12-18 04:36 , René J.V. Bertin wrote:
> On Sunday December 18 2016 04:23:11 Joshua Root wrote:
>
>>> What do you suggest to recover from this mess?
>
>> I would revert the last commit and remove port:qt4-mac from the
>> depends_lib-append on line 82.
>
> I have a better suggestion: include the qt4 PG only where it's necessary. Currently the only reason py-pyqt4 doesn't have a qt4-mac depspec is because the python PG resets depends_lib. That's not very clean (neither of the python PG nor depending on it).
> Testing now: configure went fine, the build will take a little while sadly.

py-pyqt4 doesn't need qt4-mac. The python portgroup's behaviour is correct.

- Josh