diff -r f19788028d99 -r 5b8a7dd43f9f controls/VariablePanel.py
--- a/controls/VariablePanel.py	Tue Aug 28 18:06:30 2018 +0300
+++ b/controls/VariablePanel.py	Wed Aug 29 18:53:02 2018 +0300
@@ -80,9 +80,6 @@
     return options
 
 
-OPTIONS_DICT = dict([(_(option), option) for option in GetOptions()])
-
-
 def GetFilterChoiceTransfer():
     _ = NoTranslate
     return {_("All"): _("All"), _("Interface"): _("Interface"),
@@ -91,9 +88,6 @@
             _("   Temp"): _("Temp"), _("Global"): _("Global")}  # , _("Access") : _("Access")}
 
 
-VARIABLE_CHOICES_DICT = dict([(_(_class), _class) for _class in GetFilterChoiceTransfer().iterkeys()])
-VARIABLE_CLASSES_DICT = dict([(_(_class), _class) for _class in GetFilterChoiceTransfer().itervalues()])
-
 CheckOptionForClass = {
     "Local": lambda x: x,
     "Temp": lambda x: "",
@@ -122,6 +116,10 @@
         # The base class must be initialized *first*
         CustomTable.__init__(self, parent, data, colnames)
         self.old_value = None
+        self.OPTIONS_DICT = dict([(_(option), option)
+                                  for option in GetOptions()])
+        self.VARIABLE_CLASSES_DICT = dict([(_(_class), _class)
+                                           for _class in GetFilterChoiceTransfer().itervalues()])
 
     def GetValueByName(self, row, colname):
         if row < self.GetNumberRows():
@@ -154,12 +152,12 @@
             if colname == "Name":
                 self.old_value = getattr(self.data[row], colname)
             elif colname == "Class":
-                value = VARIABLE_CLASSES_DICT[value]
+                value = self.VARIABLE_CLASSES_DICT[value]
                 self.SetValueByName(row, "Option", CheckOptionForClass[value](self.GetValueByName(row, "Option")))
                 if value == "External":
                     self.SetValueByName(row, "InitialValue", "")
             elif colname == "Option":
-                value = OPTIONS_DICT[value]
+                value = self.OPTIONS_DICT[value]
             elif colname == "Initial Value":
                 colname = "InitialValue"
             setattr(self.data[row], colname, value)
@@ -444,6 +442,9 @@
     def __init__(self, parent, window, controler, element_type, debug=False):
         wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL)
 
+        self.VARIABLE_CHOICES_DICT = dict([(_(_class), _class) for
+                                           _class in GetFilterChoiceTransfer().iterkeys()])
+
         self.MainSizer = wx.FlexGridSizer(cols=1, hgap=10, rows=2, vgap=0)
         self.MainSizer.AddGrowableCol(0)
         self.MainSizer.AddGrowableRow(1)
@@ -763,7 +764,7 @@
         event.Skip()
 
     def OnClassFilter(self, event):
-        self.Filter = self.FilterChoiceTransfer[VARIABLE_CHOICES_DICT[self.ClassFilter.GetStringSelection()]]
+        self.Filter = self.FilterChoiceTransfer[self.VARIABLE_CHOICES_DICT[self.ClassFilter.GetStringSelection()]]
         self.RefreshTypeList()
         self.RefreshValues()
         self.VariablesGrid.RefreshButtons()