diff -r ec153828ded2 -r b789b695b5c6 CodeFileTreeNode.py
--- a/CodeFileTreeNode.py	Tue Aug 15 12:17:51 2017 +0300
+++ b/CodeFileTreeNode.py	Tue Aug 15 15:50:30 2017 +0300
@@ -184,7 +184,7 @@
     def OnCTNSave(self, from_project_path=None):
         filepath = self.CodeFileName()
 
-        xmlfile = open(filepath,"w")
+        xmlfile = open(filepath, "w")
         xmlfile.write(etree.tostring(
             self.CodeFile,
             pretty_print=True,