cerberus >=1.2 is needed for python version-independent builds
@@ -35,7 +35,7 @@ requirements:
- pyyaml
- clusterutils
- sphinxcontrib-bibtex
- - cerberus ==1.1.*
+ - cerberus >=1.2 # requires >= 1.2 for py37 builds
- matplotlib
- jupyter
- pdbfixer
