[MapProxy] Layer becomes black

[Gerald Kogler]

I have the same issue. Update to Pillow 5.1.0 didn't fix it, which
version of Pillow solved your problem?


> Updating Pillow to latest version did the trick.
>
> On Wed, Dec 6, 2017 at 3:24 AM, Denis Rykov <rykovd at gmail.com> wrote:
> > Faced with the very strange issue.
> >
> > I have the following configuration: source as MapServer WMS (TIF
> > raster) -> MapProxy -> WMS Service.
> > If MaProxy requests extent which not contains any data then I get
> > black image, otherwise all works as expected.
> >
> > You can check live demo here:
http://rykovd.nextgis.com/resource/358/display
> >
> > MapProxy config:
> >
> > caches:
> >   bfa_cache:
> >     grids: [webmercator]
> >     sources: ['mapserver:bfa']
> >     cache:
> >       type: sqlite
> >
> > sources:
> >   mapserver:
> >     type: mapserver
> >     wms_opts:
> >       featureinfo: true
> >     req:
> >       map: /opt/mapserver/mapfile.map
> >       transparent: true
> >
> > Any thoughts?