Removed unnecessary code and decorator naming

src/parent_selection/parent_selection_methods.py

@@ -12,6 +12,7 @@ def _check_selection_probability(selection_method):
         else:
             raise Exception("Selection probability must be between 0 and 1 to select parents.")
 
+    new_method.__name__ = selection_method.__name__
     return new_method
 
 
@@ -27,6 +28,7 @@ def _check_positive_fitness(selection_method):
         else:
             raise Exception("Converted fitness values can't have negative values or be all 0. Consider using rank selection or stochastic selection instead.")
 
+    new_method.__name__ = selection_method.__name__
     return new_method
 
 
@@ -39,6 +41,7 @@ def _ensure_sorted(selection_method):
         ga.population.sort_by_best_fitness(ga)
         selection_method(ga)
 
+    new_method.__name__ = selection_method.__name__
     return new_method
 
 
@@ -52,6 +55,7 @@ def _compute_parent_amount(selection_method):
         parent_amount = max(2, round(len(ga.population)*ga.parent_ratio))
         selection_method(ga, parent_amount)
 
+    new_method.__name__ = selection_method.__name__
     return new_method