light9 Changeset - e76b112c837e

Changeset - e76b112c837e

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Drew Perttula - 20 years ago 2005-06-17 20:49:20
drewp@bigasterisk.com

fix empty-subexpr bug

1 file changed with 5 insertions and 0 deletions:

bin/curvecalc

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bin/curvecalc

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@@ @@ -131,6 +131,11 @@ class Subterm: @@
         make_attributes_from_args('submaster', 'subexpr')
     def scaled(self, t):
         subexpr_eval = self.subexpr.eval(t)
         # this stops an error that didn't used to happen. i think when
         # the expr is empty, subexpr_eval becomes None, so this zero
         # is ok
         if subexpr_eval is None:
             subexpr_eval = 0
         if isinstance(subexpr_eval, Submaster.Submaster):
             # if the expression returns a submaster, just return it
             return subexpr_eval

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