Fix test on return value of request_server

tryton/gui/main.py

@@ -781,9 +781,10 @@ class Main(object):
 
         def refreshlist_ask(widget, server_widget, db_widget, label,
                 parent=None):
-            host, port = common.request_server(server_widget, parent)
-            if not url:
+            res = common.request_server(server_widget, parent)
+            if not res:
                 return None
+            host, port = res
             refreshlist(widget, db_widget, label, host, port)
             return (host, port)
 

tryton/gui/window/dbcreate.py

@@ -24,7 +24,10 @@ class DBCreate(object):
         return sensitive
 
     def server_change(self, widget, parent):
-        host, port = common.request_server(self.server_widget, parent)
+        res = common.request_server(self.server_widget, parent)
+        if not res:
+            return False
+        host, port = res
         try:
             if self.lang_widget and host and port:
                 common.refresh_langlist(self.lang_widget, host, port)
@@ -32,7 +35,7 @@ class DBCreate(object):
         except:
             self.set_sensitive(False)
             return False
-        return url
+        return True
 
     def __init__(self, sig_login):
         self.dialog = glade.XML(GLADE, "win_createdb", gettext.textdomain())

tryton/gui/window/dblogin.py

@@ -122,7 +122,10 @@ class DBLogin(object):
     @staticmethod
     def refreshlist_ask(widget, server_widget, db_widget, label,
             butconnect=False, host=False, port=0, parent=None):
-        host, port = common.request_server(server_widget, parent) or (host, port)
+        res = common.request_server(server_widget, parent) or (host, port)
+        if not res:
+            return False
+        host, port = res
         return DBLogin.refreshlist(widget, db_widget, label, host, port,
                 butconnect)