prefix error

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "./wolfbot.py", line 143, in on_unhandled
    handler.unhandled(cli, prefix, cmd, *args)
  File "/home/jacob/code/lykos/src/handler.py", line 48, in unhandled
    fn.caller(cli, prefix, *args)
  File "/home/jacob/code/lykos/src/decorators.py", line 74, in __call__
    pastebin_tb(channels.Dev, messages["error_log"], data, prefix=botconfig.DEV_PREFIX)
  File "/home/jacob/code/lykos/src/utilities.py", line 489, in pastebin_tb
    context.send(" ".join((msg, url)), prefix=prefix)
TypeError: send() got an unexpected keyword argument 'prefix'