requirements_build.txt

astropy>=3.2.3,<6.0
astroquery>=0.3.10,<0.4
matplotlib>=3.1.2
numpy>=1.17.4,<2.0
photutils>=0.7.2,<=1.5.0
scikit-learn>=0.21.3
scipy>=1.3.3
sphinx_rtd_theme
wheel