How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”

💬 Support & Discussions
1

how to solve this problem?
linux operating system 18.01

---------------------------------------------------------------------------
UnicodeDecodeError                        Traceback (most recent call last)
<ipython-input-36-62ba074d16ef> in <module>
      2 sample_data_raw_file = os.path.join(sample_data_folder, 'NihonKohden', 'DA0935F5.EEG')
      3 
----> 4 raw = mne.io.read_raw_nihon(sample_data_raw_file)

~/anacondalele/envs/mne/lib/python3.8/site-packages/mne/io/nihon/nihon.py in read_raw_nihon(fname, preload, verbose)
     44     mne.io.Raw : Documentation of attribute and methods.
     45     """
---> 46     return RawNihon(fname, preload, verbose)
     47 
     48 

<decorator-gen-224> in __init__(self, fname, preload, verbose)

~/anacondalele/envs/mne/lib/python3.8/site-packages/mne/io/nihon/nihon.py in __init__(self, fname, preload, verbose)
    352 
    353         # Get annotations from LOG file
--> 354         annots = _read_nihon_annotations(fname, orig_time=info['meas_date'])
    355         self.set_annotations(annots)
    356 

~/anacondalele/envs/mne/lib/python3.8/site-packages/mne/io/nihon/nihon.py in _read_nihon_annotations(fname, orig_time)
    247             n_logs = np.fromfile(fid, np.uint8, 1)[0]
    248             fid.seek(t_blk_address + 0x14)
--> 249             t_logs = np.fromfile(fid, '|S45', n_logs).astype('U45')
    250 
    251             for t_log in t_logs:

UnicodeDecodeError: 'ascii' codec can't decode byte 0xe7 in position 7: ordinal not in range(128)
2

This could be a bug in our reader, please open a new issue in our GitHub repository and we’ll discuss how to proceed. If possible, please share the file that’s causing this error.

1 Like
3

Hi!
I just opened a new problem on github.

Also, as you asked me, I uploaded the file

Also, as you asked to me , i did the upload of the file

4

Great, I’ll take a look!