Merge pull request #396 from ZLLentz/fix-tests

CI: ban defaults channel from travis build

.travis.yml

@@ -35,16 +35,19 @@ matrix:
       env: BUILD_DOCS=1
 
 install:
-  - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
+  - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
   - bash miniconda.sh -b -p $HOME/miniconda
   - source $HOME/miniconda/etc/profile.d/conda.sh
   - conda activate base
   - hash -r
   - conda config --set always_yes yes --set changeps1 no
-  - conda install conda-build
-  - conda update -q conda conda-build
+  - conda install python=$TRAVIS_PYTHON_VERSION conda-build=3.12.0
+  #- conda install conda-build
+  #- conda update -q conda conda-build
   - conda config --add channels pcds-tag
   - conda config --append channels conda-forge
+  - conda config --remove channels defaults
+  - conda config --set channel_priority true
   # Useful for debugging any issues with conda
   - conda info -a
   # Paranoid check of what version we're using