Minor bugs

src/crossover/crossover_methods.py

@@ -165,7 +165,7 @@ class Crossover_Methods:
                         yield random.randint(*sorted([value_1, value_2]))
                     else:
                         try:
-                            yield random.uniform([value_1, value_2])
+                            yield random.uniform(value_1, value_2)
                         except:
                             yield ValueError("Unhandled gene type found. Use integer or float genes.")
 

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))