Update db.py

Just making sure points is not `None` (when it is not possible to get the number of points for example)

modules/db.py

@@ -33,6 +33,9 @@ def get_row(compte, points, mycursor, same_points = True): #return if there is a
 
 
 def add_to_database(compte, points, sql_host,sql_usr,sql_pwd,sql_database, save_if_fail=True):
+    if points is None:
+        pass
+    else:
         try:
             mydb = mysql.connector.connect(
                 host=sql_host,