Traceback (most recent call last):


 "/usr/lib/python3.6/site-packages/ranger/core/main.py", line 196, in main

fm.loop()


 "/usr/lib/python3.6/site-packages/ranger/core/fm.py", line 390, in loop

ui.redraw()


 "/usr/lib/python3.6/site-packages/ranger/gui/ui.py", line 338, in redraw

self.draw()


 "/usr/lib/python3.6/site-packages/ranger/gui/ui.py", line 365, in draw

DisplayableContainer.draw(self)


 "/usr/lib/python3.6/site-packages/ranger/gui/displayable.py", line 256, in draw

displayable.draw()


 "/usr/lib/python3.6/site-packages/ranger/gui/widgets/view_miller.py", line 100, in draw

DisplayableContainer.draw(self)


 "/usr/lib/python3.6/site-packages/ranger/gui/displayable.py", line 256, in draw

displayable.draw()


 "/usr/lib/python3.6/site-packages/ranger/gui/widgets/browsercolumn.py", line 176, in draw

self._draw_file()


 "/usr/lib/python3.6/site-packages/ranger/gui/widgets/browsercolumn.py", line 203, in _draw_file

Pager.draw(self)


 "/usr/lib/python3.6/site-packages/ranger/gui/widgets/pager.py", line 101, in draw

self._draw_line(i, line)


 "/usr/lib/python3.6/site-packages/ranger/gui/widgets/pager.py", line 132, in _draw_line

self.addstr(chunk)


 "/usr/lib/python3.6/site-packages/ranger/gui/curses_shortcuts.py", line 37, in addstr

self.win.addstr(*args)
ValueError: embedded null character

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "<string>", line 2, in make_inverse_operator


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/utils.py", line 729, in verbose

return function(*args, **kwargs)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/minimum_norm/inverse.py", line 1471, in make_inverse_operator

_prepare_forward(forward, info, noise_cov, rank=rank)


 "<string>", line 2, in _prepare_forward


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/utils.py", line 729, in verbose

return function(*args, **kwargs)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/minimum_norm/inverse.py", line 1301, in _prepare_forward

rank, pca)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/cov.py", line 1272, in _get_whitener

noise_cov = prepare_noise_cov(noise_cov, info, ch_names, rank)


 "<string>", line 2, in prepare_noise_cov


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/utils.py", line 729, in verbose

return function(*args, **kwargs)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/cov.py", line 1342, in prepare_noise_cov

ch_names)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/io/proj.py", line 548, in make_projector

return _make_projector(projs, ch_names, bads, include_active)


 "/home/vivek/anaconda3/lib/python3.6/site-packages/mne/io/proj.py", line 561, in _make_projector

raise ValueError('No channel names specified')
ValueError: No channel names specified`
