Update manual_strength_modification.py by replacing "fraction" with "True"
Sextupoles are not setting to zero strenghts when fraction = 0.0, so I replaced the term "fraction" with "True" which will allow the sextupoles to be turned off
Sextupoles are not setting to zero strenghts when fraction = 0.0, so I replaced the term "fraction" with "True" which will allow the sextupoles to be turned off