Update astrobase/lcmath.py
Update astrobase/lcmath.py

Co-authored-by: Waqas Bhatti <a28c99f5993edb88209c2a796372e7081baf803d@gmail.com>
waqasbhatti/astrobase,lgbouma/astrobase,lgbouma/astrobase,waqasbhatti/astrobase,lgbouma/astrobase,waqasbhatti/astrobase