votes up 1

task keyword arguments must be a mapping

github stars 17847
Exception Class:

Raise code

                   shadow=None, chain=None, now=None, timezone=None,
                   origin=None, ignore_result=False, argsrepr=None, kwargsrepr=None):
        args = args or ()
        kwargs = kwargs or {}
        if not isinstance(args, (list, tuple)):
            raise TypeError('task args must be a list or tuple')
        if not isinstance(kwargs, Mapping):
            raise TypeError('task keyword arguments must be a mapping')
        if countdown:  # convert countdown to ETA
            self._verify_seconds(countdown, 'countdown')
            now = now or
            timezone = timezone or
            eta = maybe_make_aware(
                now + timedelta(seconds=countdown), tz=timezone,
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