tournaments filter error

tournaments/views.py

@@ -186,8 +186,18 @@ def tournament_info(request, tournament_id):
 
 
 def tournaments(request):
+    filter_param = request.GET.get('filter')
+    filter = None
+
+    if filter_param:
+        try:
+            filter = int(filter_param)
+            if filter not in [0, 1, 2]:  # Valid filter values
+                return redirect('/')
+
+        except:
+            return redirect('/')
 
-    filter = int(request.GET.get('filter'))
     club_id = request.GET.get('club')
 
     title = ''