Attemp to install 2.9 failed

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Jim Ivy

Jul 12, 2022, 1:30:55 AMJul 12
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2.7 was working fine from my distribution installation (AVL-MX21). But I wanted to update to 2.9, so I downloaded the file and followed the instructions.

Now I get this when I try to run mnemosyne:

An unexpected error has occurred.

Please forward the following info to the developers:

Traceback (innermost last):

File "/usr/local/bin/mnemosyne", line 4, in <module>

__import__('pkg_resources').run_script('Mnemosyne==2.9', 'mnemosyne')

File "/usr/lib/python3/dist-packages/pkg_resources/", line 651, in run_script

self.require(requires)[0].run_script(script_name, ns)

File "/usr/lib/python3/dist-packages/pkg_resources/", line 1448, in run_script

exec(code, namespace, namespace)

File "/usr/local/lib/python3.9/dist-packages/Mnemosyne-2.9-py3.9.egg/EGG-INFO/scripts/mnemosyne", line 278, in <module>

mnemosyne.initialise(data_dir=data_dir, filename=filename,

File "/usr/local/lib/python3.9/dist-packages/Mnemosyne-2.9-py3.9.egg/mnemosyne/libmnemosyne/", line 411, in initialise


File "/usr/local/lib/python3.9/dist-packages/Mnemosyne-2.9-py3.9.egg/mnemosyne/libmnemosyne/", line 476, in register_components

importlib.import_module(module_name), class_name)

File "/usr/lib/python3.9/importlib/", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)

File "<frozen importlib._bootstrap>", line 1030, in _gcd_import

File "<frozen importlib._bootstrap>", line 1007, in _find_and_load

File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 680, in _load_unlocked

File "<frozen importlib._bootstrap_external>", line 790, in exec_module

File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed

File "/usr/local/lib/python3.9/dist-packages/Mnemosyne-2.9-py3.9.egg/mnemosyne/pyqt_ui/", line 15, in <module>

from mnemosyne.libmnemosyne.sync_server import SyncServer

File "/usr/local/lib/python3.9/dist-packages/Mnemosyne-2.9-py3.9.egg/mnemosyne/libmnemosyne/", line 9, in <module>

from argon2 import PasswordHasher

ModuleNotFoundError: No module named 'argon2'

When I tried to reinstall the distribution 2.7 version, I still get the same message. How do I completely remove the failed 2.9 installation and go back to the 2.7 version?

Peter Bienstman

Jul 12, 2022, 1:32:34 AMJul 12
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Jim Ivy

Jul 14, 2022, 12:57:12 AMJul 14
to mnemosyne-proj-users
Thank you for the reply. I was able to remove enough to get 2.7 working again. I will probably wait until 2.9 hits the repo since 2.7 works quite well on my system.
Mnemosyne is really an excellent tool for musicians.
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