diff -r a80a66ba52d6 -r 9f6f46dbe3ae Beremiz_service.py
--- a/Beremiz_service.py	Fri Oct 28 13:06:52 2022 +0800
+++ b/Beremiz_service.py	Fri Oct 28 14:07:13 2022 +0800
@@ -24,8 +24,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 
-
-
 import os
 import sys
 import getopt
@@ -34,9 +32,7 @@
 import traceback
 import threading
 from threading import Thread, Semaphore, Lock, currentThread
-from builtins import str as text
-from past.builtins import execfile
-from six.moves import builtins
+import builtins
 from functools import partial
 
 import runtime
@@ -363,7 +359,7 @@
 
             def OnTaskBarChangePort(self, evt):
                 dlg = ParamsEntryDialog(None, _("Enter a port number "), defaultValue=str(self.pyroserver.port))
-                dlg.SetTests([(text.isdigit, _("Port number must be an integer!")), (lambda port: 0 <= int(port) <= 65535, _("Port number must be 0 <= port <= 65535!"))])
+                dlg.SetTests([(str.isdigit, _("Port number must be an integer!")), (lambda port: 0 <= int(port) <= 65535, _("Port number must be 0 <= port <= 65535!"))])
                 if dlg.ShowModal() == wx.ID_OK:
                     self.pyroserver.port = int(dlg.GetValue())
                     self.pyroserver.Restart()