[pyngl-talk] Fix for PyNGL conda installation errors

Tsukernik, Maria maria_tsukernik at brown.edu
Thu Dec 21 17:06:44 MST 2017

Dear Kevin!

Thank you so much for the fix, I appreciate you working hard to patch
This does seem to fix my problem for now.

Thank you!

Dr. Maria (Masha) Tsukernik
Research scientist/Adjunct Lecturer
Department of Earth, Environmental and Planetary Sciences
Brown University
Providence, RI 02912

On Wed, Dec 20, 2017 at 6:37 PM, Kevin Hallock via pyngl-talk <
pyngl-talk at ucar.edu> wrote:

> Hi everyone,
> We’ve recently received numerous reports that our conda installation
> instructions <http://www.pyngl.ucar.edu/Download/> are resulting in an
> “UnsatisfiableError” when trying to install PyNGL.
> The good news is that we've found a workaround for this issue:
> conda create -n pyngl_fix -c conda-forge -c conda-forge/label/broken pyngl
> poppler=0.52 xerces-c=3.1 gsl
> The (potentially) bad news is that this workaround requires a “broken”
> version of the GDAL/libgdal dependency to be installed alongside PyNGL,
> which may break compatibility with other conda packages. If no other conda
> packages are installed in the conda environment containing PyNGL
> (“pyngl_fix” in the example command above), then this should not be an
> issue.
> If anyone tries this workaround and continues to experience problems
> installing or running PyNGL via conda, please let us know.
> Thanks!
> Kevin
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