--- a/eric6/E5Network/E5NetworkProxyFactory.py	Mon Oct 05 19:51:55 2020 +0200
+++ b/eric6/E5Network/E5NetworkProxyFactory.py	Tue Oct 06 17:52:44 2020 +0200
@@ -57,7 +57,7 @@
     from UI.AuthenticationDialog import AuthenticationDialog
     dlg = AuthenticationDialog(info, proxy.user(), True)
     dlg.setData(proxy.user(), proxy.password())
-    if dlg.exec_() == QDialog.Accepted:
+    if dlg.exec() == QDialog.Accepted:
         username, password = dlg.getData()
         auth.setUser(username)
         auth.setPassword(password)