Minor bugs

2020-11-27 16:49:56 -05:00
parent a9fe22ecf1
commit ac84e57b9b
2 changed files with 2 additions and 2 deletions
--- a/src/termination_point/termination_methods.py
+++ b/src/termination_point/termination_methods.py
@ -41,7 +41,7 @@ def add_by_tolerance_goal(termination_impl):
    def new_method(ga):

        # If tolerance is set, check it.
-        if ga.tolerance_goal is not None:
+        if ga.tolerance_goal is not None and ga.population is not None:
            best_fitness = ga.population[0].fitness
            threshhold_fitness = ga.population[round(ga.percent_converged*len(ga.population))].fitness
            tol = ga.tolerance_goal * (1 + abs(best_fitness))