Does your IDE do pep8 checking? On Master, if I run `pep8 mne/preprocessing/ica.py`, I get:
```
mne/preprocessing/ica.py:29:26: E121 continuation line indentation is not a multiple of four
mne/preprocessing/ica.py:30:26: E121 continuation line indentation is not a multiple of four
mne/preprocessing/ica.py:79:80: E501 line too long (81 > 79 characters)
mne/preprocessing/ica.py:162:80: E501 line too long (80 > 79 characters)
mne/preprocessing/ica.py:174:12: E127 continuation line over-indented for visual indent
mne/preprocessing/ica.py:263:52: E128 continuation line under-indented for visual indent
mne/preprocessing/ica.py:320:33: E126 continuation line over-indented for hanging indent
mne/preprocessing/ica.py:321:33: E126 continuation line over-indented for hanging indent
mne/preprocessing/ica.py:384:32: E127 continuation line over-indented for visual indent
mne/preprocessing/ica.py:392:51: E127 continuation line over-indented for visual indent
mne/preprocessing/ica.py:488:17: E128 continuation line under-indented for visual indent
mne/preprocessing/ica.py:489:17: E128 continuation line under-indented for visual indent
mne/preprocessing/ica.py:490:17: E128 continuation line under-indented for visual indent
mne/preprocessing/ica.py:762:80: E501 line too long (81 > 79 characters)
mne/preprocessing/ica.py:806:32: E127 continuation line over-indented for visual indent
mne/preprocessing/ica.py:872:40: E127 continuation line over-indented for visual indent
```
Note the errors for 488-490.