Merge pull request #4728 from plotly/ci-failure

Author: marthacryan

.circleci/config.yml

@@ -400,6 +400,8 @@ jobs:
       - run:
           name: Create conda environment
           command: |
+            conda config --remove channels defaults
+            conda config --add channels conda-forge
             conda create -n env --yes python=3.9 conda-build=3.28.4 conda-verify
             conda install -n env -c conda-forge jupyterlab=3 nodejs=16
             conda init bash