[build-system]
requires = [
    "wheel",
    "setuptools",
    "six",
    "numpy>=1.11.0",
    "scipy>=0.18.0",
    "matplotlib>=1.3",
    "emcee",
    "corner",
    "astropy",
]

[build-system]
requires = ["wheel", "setuptools", "numpy==1.14.5"]

Trim the build time dependancies
Trim the build time dependancies
