Fix user age calculation and handle 'N/A' birth year

tournaments/models/tournament.py

@@ -1525,7 +1525,13 @@ class Tournament(BaseModel):
         if is_woman is not None and self.federal_category == FederalCategory.WOMEN and is_woman is False:
             reasons.append("Ce tournoi est réservé aux femmes")
 
-        if birth_year is None:
+        if birth_year is None or birth_year == 'N/A':
+            return reasons if reasons else None
+
+        try:
+            tournament_start_year = self.season_year()
+            user_age = tournament_start_year - int(birth_year)
+        except (ValueError, TypeError):
             return reasons if reasons else None
 
         tournament_start_year = self.season_year()

tournaments/static/rankings/CLASSEMENT-PADEL-DAMES-10-2025.csv

@@ -1,4 +1,4 @@
-anonymous-players:5638
+anonymous-players:5459
 max-players:16148
 unrank-male-value:14060
 ;1;COLLOMBON;Alix;FRA;1244033;0;Non;0;OCCITANIE;60 31 0803;STADE TOULOUSAIN TENNIS PADEL;0;;1993;

tournaments/static/rankings/CLASSEMENT-PADEL-MESSIEURS-10-2025.csv

@@ -1,4 +1,4 @@
-anonymous-players:5638
+anonymous-players:5459
 max-players:110960
 unrank-male-value:92341
 ;1;ZAPATA PIZZARO;Teodoro Victor;ESP;2098059;4545;Oui;7;ILE DE FRANCE;57 93 0505;AS PADEL AFICIONADOS;0;;1995;

tournaments/templates/tournaments/tournament_info.html

@@ -164,7 +164,7 @@
                     {% else %}
                     <div class="topmargin20">
                         <p class="minor info">
-                            La désincription en ligne n'est plus possible. Veuillez contacter directement le juge-arbitre si besoin.
+                            La désinscription en ligne n'est plus possible. Veuillez contacter directement le juge-arbitre si besoin.
                         </p>
                     </div>
                     {% endif %}