and another: 

```python
Traceback (most recent call last):
  File "/home/mainakjas/github/mne-python/examples/realtime/compute_rt_moving_average.py", line 43, in <module>
    reject=dict(grad=4000e-13, eog=150e-6))
  File "/home/mainakjas/.local/lib/python2.7/site-packages/mne/utils.py", line 327, in dec
    return function(*args, **kwargs)
  File "/home/mainakjas/.local/lib/python2.7/site-packages/mne/realtime/epochs.py", line 165, in __init__
    activate=self.proj)
AttributeError: 'RtEpochs' object has no attribute 'proj'
```