Empty list literal display error

[Mekire]

There seems to be an issue with the literal for an empty list in python tags.

The following in tags should read ">>> open_bracket close_bracket"
but both inline and python tags remove the brackets.
>>>

>>> 

Edit: Okay so it seems the editor itself is eating them. If I type them and post they appear. If I go preview they dissappear from the editing area. If I try to edit a post with them they also disappear.