Modification des modèles et de la vue.

WSR/migrations/0009_alter_race_name.py

WSR/migrations/0010_alter_race_name.py

WSR/migrations/0011_alter_race_type.py

WSR/migrations/0012_alter_race_type.py

...migrations/0013_alter_race_circuit_alter_race_location.py

WSR/migrations/0014_alter_race_circuit.py

WSR/models.py

WSR/views.py