---
host:          'beta.moses.et-model.com'
etengine_host: 'beta.et-engine.com'
etmodel_host:  'beta.pro.energytransitionmodel.com/'

cache:
  # Cache the results of network calculations.
  networks: true

---
host:          'beta.moses.et-model.com'
etengine_host: 'beta.et-engine.com'
etmodel_host:  'beta.pro.energytransitionmodel.com'

cache:
  # Cache the results of network calculations.
  networks: true

Remove trailing slash from etmodel_host. Oops.
Remove trailing slash from etmodel_host. Oops.