Hide the unicorn part from the stack trace

[mrexodia]

raise NotImplementedError()

The issue is that the stack trace is too long and confusing to read when playing around in Jupyter Notebook

[anthonyprintup]

Something like this could work:
https://github.com/OALabs/hashdb-ida/blob/5dfb2b737cccd74cd9cf4a66ce0aa2e75970e1d5/hashdb.py#L92-L107