Linting

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

apps/participation/models.py

@@ -534,6 +534,9 @@ class Tweak(models.Model):
         help_text=_("Score to add/remove on the final score"),
     )
 
+    def __str__(self):
+        return f"Tweak for {self.participation.team} of {self.diff} points"
+
     class Meta:
         verbose_name = _("tweak")
         verbose_name_plural = _("tweaks")