/usr/share/doc/python-astroplan/html/api/ is in python-astroplan-doc 0.4-2.
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/usr/share/doc/python-astroplan/html/api/astroplan.AirmassConstraint.html
/usr/share/doc/python-astroplan/html/api/astroplan.AltitudeConstraint.html
/usr/share/doc/python-astroplan/html/api/astroplan.AstroplanWarning.html
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