# Error MNE-Import: Upgrade to mne\_dev\_version **URL:** \ **Category:** Mailing List Archive (read-only)\ **Tags:** list-archive\ **Created:** [February 13, 2019, 11:48am UTC](https://mne.discourse.group/t/error-mne-import-upgrade-to-mne-dev-version/1741 "2019-02-13T11:48:48Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [February 13, 2019, 11:48am UTC](https://mne.discourse.group/t/error-mne-import-upgrade-to-mne-dev-version/1741/1 "2019-02-13T11:48:48Z")
External Email - Use Caution Dear mne-community, when I tried to upgrade mne to the developement version with the pip --upgrade command and afterwards tried to import mne, I got this error on Anaconda on Windows 10: (mne\_dev) C:\\>pip install --upgrade --no-deps git+ > **[GitHub - mne-tools/mne-python: MNE: Magnetoencephalography (MEG) and...](https://github.com/mne-tools/mne-python)** > > MNE: Magnetoencephalography (MEG) and Electroencephalography (EEG) in Python - GitHub - mne-tools/mne-python: MNE: Magnetoencephalography (MEG) and Electroencephalography (EEG) in Python Collecting git+[https://github.com/mne-tools/mne-python.git](https://github.com/mne-tools/mne-python.git)   Cloning [https://github.com/mne-tools/mne-python.git](https://github.com/mne-tools/mne-python.git) to [...] Building wheels for collected packages: mne   Building wheel for mne (setup.py) ... done   Stored in directory: [...] Successfully built mne Installing collected packages: mne   Found existing installation: mne 0.18.dev0     Uninstalling mne-0.18.dev0:       Successfully uninstalled mne-0.18.dev0 Successfully installed mne-0.18.dev0 (mne\_dev) C:\\>python Python 3.6.8 |Anaconda, Inc.| (default, Feb 11 2019, 15:03:47) [MSC v.1915 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. > > > import mne Traceback (most recent call last):   File "\", line 1, in \   File "C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\_\_init\_\_.py", line 25, in \     from .io.pick import (pick\_types, pick\_channels,   File "C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\io\_\_init\_\_.py", line 24, in \     from . import edf   File "C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\io\edf\_\_init\_\_.py", line 7, in \     from .edf import read\_raw\_edf, read\_raw\_bdf, read\_raw\_gdf, find\_edf\_events   File "C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\io\edf\edf.py", line 34, in \     md5='12134a9be7e0bfa5941e95f8bfd330f7')   File "C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\io\edf\_utils.py", line 19, in \_load\_gdf\_events\_lut     fname) \*ValueError: File C:\Anaconda3\envs\mne\_dev\lib\site-packages\mne\io\edf\gdf\_encodes.txt is corrupted. mdf5 hashes don't match.\* I'd be glad, if you could help me with that. Kind regards Martin -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20190213/64a9d0f0/attachment-0001.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20190213/64a9d0f0/attachment-0001.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [February 13, 2019, 3:30pm UTC](https://mne.discourse.group/t/error-mne-import-upgrade-to-mne-dev-version/1741/2 "2019-02-13T15:30:21Z")
External Email - Use Caution this is a bug. can you open an issue here: [https://github.com/mne-tools/mne-python/issues](https://github.com/mne-tools/mne-python/issues) ? we'll take from there on the issue. thanks Alex