small backwards-compatible change on reporting to support NSGA2Fitness

hugoaboud · hugoaboud · commit 9dbd77be41c1 · 2020-12-30T07:06:35.000-03:00
diff --git a/neat/reporting.py b/neat/reporting.py
@@ -134,7 +134,7 @@ def post_evaluate(self, config, population, species, best_genome):
         best_species_id = species.get_species_id(best_genome.key)
         print('Population\'s average fitness: {0:3.5f} stdev: {1:3.5f}'.format(fit_mean, fit_std))
         print(
-            'Best fitness: {0:3.5f} - size: {1!r} - species {2} - id {3}'.format(best_genome.fitness,
+            'Best fitness: {0:3.5f} - size: {1!r} - species {2} - id {3}'.format(float(best_genome.fitness),
                                                                                  best_genome.size(),
                                                                                  best_species_id,
                                                                                  best_genome.key))
