-# Python 3 server example
 from http.server import BaseHTTPRequestHandler, HTTPServer
 import os
 import json
             success = success_income + 0
             diff_goal = earned - goal 
             if time_progress >= 0:
-                success = success_income / time_progress
+                success = 1
+                if time_progress > 0:
+                    success = success_income / time_progress
                 time_progress_indicator = "<div class=\"time_progress\" style=\"margin-left: %spx\"></div>" % int(time_progress * 100) 
             return "<tr><th>%s</th>" \
                     "<td class=\"countable\">%.2f€</td>" \