This should fix things like:
def __init__(self, val):
self.val = val.decode("string_escape")
ValueError: Trailing \ in string
pathod/language/base.py:108: ValueError
test/pathod/test_language_websocket.py:83: in fr
return netlib.websockets.Frame.from_bytes(tutils.render(wf, settings))
test/pathod/tutils.py:123: in render
r = r.resolve(settings)
pathod/language/websockets.py:179: in resolve
Key(base.TokValueLiteral(os.urandom(4)))
