 arg is not used in do_lsq_nlin; Fri Aug 25 13:49:47 PDT 2017 arg is not used in fitfunct
 arg is not used in do_lsq_nlin; Fri Aug 25 13:49:47 PDT 2017 arg is not used in fitfunct

gully/PyKE,christinahedges/PyKE