Error MNE-Import: Upgrade to mne_dev_version

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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+

Collecting git+
  Cloning to [...]
Building wheels for collected packages: mne
  Building wheel for mne ( ... 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 "<stdin>", line 1, in <module>
  File "C:\Anaconda3\envs\mne_dev\lib\site-packages\mne\", line
25, in <module>
    from .io.pick import (pick_types, pick_channels,
  File "C:\Anaconda3\envs\mne_dev\lib\site-packages\mne\io\",
line 24, in <module>
    from . import edf
"C:\Anaconda3\envs\mne_dev\lib\site-packages\mne\io\edf\", line
7, in <module>
    from .edf import read_raw_edf, read_raw_bdf, read_raw_gdf,
  File "C:\Anaconda3\envs\mne_dev\lib\site-packages\mne\io\edf\",
line 34, in <module>
  File "C:\Anaconda3\envs\mne_dev\lib\site-packages\mne\io\edf\",
line 19, in _load_gdf_events_lut
*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
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External Email - Use Caution

this is a bug.

can you open an issue here:


we'll take from there on the issue.