---input---
>>> unterminated_traceback()
Traceback (most recent call last):
>>>

---tokens---
'>>> '        Generic.Prompt
'unterminated_traceback' Name
'('           Punctuation
')'           Punctuation
'\n'          Text.Whitespace

'Traceback (most recent call last):\n' Generic.Traceback

''            Text
'>>>'         Generic.Prompt
'\n'          Text.Whitespace