fixed typo in data.py

This commit is contained in:
Sam Shaner 2016-11-09 23:02:22 -05:00
parent 2208800981
commit e375620e78

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@ -150,7 +150,7 @@ def atomic_mass(isotope):
"""
if not _ATOMIC_MASS:
# For the isotope represented by all natural isotopes of the element
# For the isotopes representing all natural isotopes of their element
# (e.g. C0), set atomic mass manually using the values from Atomic
# weights of the elements 2013 (IUPAC Technical Report)
# (doi:10.1515/pac-2015-0305). In cases where an atomic mass range is