Update app.py

app.py

@@ -52,7 +52,7 @@ class GeneticAlgorithm:
             self.population = [self.population[i] for i in np.argsort(fitness)[-self.population_size//2:]]
 
     def crossover(self):
-    offspring = []
+        offspring = []
     for _ in range(self.population_size//2):
         parent1, parent2 = random.sample(self.population, 2)
         child = Net()