fix grammar in status

tournaments/models/tournament.py

@@ -131,12 +131,18 @@ class Tournament(models.Model):
             teams = self.teams()
             if self.supposedly_in_progress() or self.end_date is not None:
                 teams = [t for t in teams if t.stage is not "Attente"]
-                if teams is not None:
-                    return f"{len(teams)} équipes"
+                if teams is not None and len(teams) > 0:
+                    word = "équipe"
+                    if len(teams) > 1:
+                        word = word + "s"
+                    return f"{len(teams)} {word}"
                 else:
                     return None
             if teams is not None and len(teams) > 0:
-                return f"{len(teams)} inscriptions"
+                word = "inscription"
+                if len(teams) > 1:
+                    word = word + "s"
+                return f"{len(teams)} {word}"
             else:
                 return None