-        highlight = wxPen(wxSystemSettings_GetSystemColour(
-            wxSYS_COLOUR_BTNHIGHLIGHT),1,wxSOLID)
-        shadow = wxPen(wxSystemSettings_GetSystemColour(
-            wxSYS_COLOUR_BTNSHADOW),1,wxSOLID)
-        black = wxPen(wxBLACK,1,wxSOLID)
-        w,h = self.GetSizeTuple()
+        highlight = wx.Pen(wx.SystemSettings_GetColour(wx.SYS_COLOUR_BTNHIGHLIGHT), 1, wx.SOLID)
+        shadow = wx.Pen(wx.SystemSettings_GetColour(wx.SYS_COLOUR_BTNSHADOW), 1, wx.SOLID)
+        black = wx.Pen(wx.BLACK,1,wx.SOLID)
+        w,h = self.GetSize()