Fix one translation activation before parsing notes

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

participation/models.py

@@ -1393,6 +1393,8 @@ class Pool(models.Model):
                 max_row += 1
 
     def parse_spreadsheet(self):
+        translation.activate('fr')
+
         gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
         self.tournament.create_spreadsheet()
         spreadsheet = gc.open_by_key(self.tournament.notes_sheet_id)