CI failing on environment creation

[kafitzgerald]

CI is failing on the conda environment creation likely because a very old channel is specified. You can see where this is specified in the config.yml file here: https://github.com/NCAR/pynio/blob/develop/.circleci/config.yml

Failed CI run

More detail from the log:

Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: failed

PackagesNotFoundError: The following packages are not available from current channels:

  - gcc

Current channels:

  - https://conda.anaconda.org/conda-forge/label/cf201901
  - defaults