--- a/docutil/dochtml.py	Wed Aug 16 12:30:31 2017 +0300
+++ b/docutil/dochtml.py	Wed Aug 16 12:48:08 2017 +0300
@@ -39,6 +39,7 @@
             window.SetClientSize(size)
             window.Show()
 
+
 [ID_HTMLFRAME, ID_HTMLFRAMEHTMLCONTENT] = [wx.NewId() for _init_ctrls in range(2)]
 EVT_HTML_URL_CLICK = wx.NewId()