PreconditionFailed: Basic.reject: (406) PRECONDITION_FAILED - unknown delivery tag 695
  File "site-packages/retrying.py", line 200, in call
    attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
  File "amqp/handler.py", line 375, in _watch_impl
    conn.drain_events()
  File "amqp/connection.py", line 324, in drain_events
    return amqp_method(channel, args)
  File "amqp/channel.py", line 243, in _close
    reply_code, reply_text, (class_id, method_id), ChannelError,

Basic.reject: (406) PRECONDITION_FAILED - unknown delivery tag 695