bmi_paths:
  - .bmi/frost_number
  - .bmi/ku

build:
  - python setup.py develop

bmi_paths:
  - .bmi/frost_number
  - .bmi/ku

build:
  - python setup.py install

Install package with 'install', not 'develop'
Install package with 'install', not 'develop'

This is my fault -- I initially added this file using 'develop'.
