Mnemosyne stopped opening (cheroot, serves)

[danibor...@gmail.com]

Mnemosyne was working fine. I attempted to turn on the server-sync function from my desktop (Ubuntu 18) so I could use it on my phone. The following error message showed up when I attempted to 'activate' my server. Then I installed cheroot from CMD, restarted the PC, and now whenever I so much as OPEN Mnemosyne the same message appears. I can't do the flashcards now, edit them, or anything else. That's all that appears. I did attempt to uninstall and install cheroot, as well as restart the PC. There is no configuration within ~/config/mnemosyne/config.py that would seem to fix this problem. Help! I live off Mnemosyne for my graduate studies!
—————
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==2.6.1', 'mnemosyne')
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 658, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1438, in run_script
exec(code, namespace, namespace)
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/EGG-INFO/scripts/mnemosyne", line 262, in <module>
debug_file=options.debug_file)
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/libmnemosyne/__init__.py", line 193, in initialise
self.activate_components()
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/libmnemosyne/__init__.py", line 287, in activate_components
sync_server.activate()
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/pyqt_ui/qt_sync_server.py", line 196, in activate
component_manager=self.component_manager)
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/pyqt_ui/qt_sync_server.py", line 67, in __init__
super().__init__(ui=self, **kwds)
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/libmnemosyne/sync_server.py", line 31, in __init__
port=config["sync_server_port"], **kwds)
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/mnemosyne/libmnemosyne/component.py", line 57, in __init__
super().__init__(**kwds) # For parent classes other than 'Object'.
File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6.1-py3.6.egg/openSM2sync/server.py", line 98, in __init__
from cheroot import wsgi
ModuleNotFoundError: No module named 'cheroot'

[Peter Bienstman]

The error message indicates that cheroot was not properly installed. Personally, I'd try with 'sudo pip3 install cheroot' to make sure you're not installing it for python 2.x or something like that.

If that doesn't help, I suggest asking around on an Ubuntu forum, as the issue not really with Mnemosyne itself.

[Daniel Coimbra]

Thanks, Peter, you're the best. I fixed it by installing cheroot in its Python 3.x version.

P.S. Mnemosyne is pretty much my most-loved nonessential software. (It's become essential to me, really.)

On Sun, Dec 9, 2018 at 1:14 PM Peter Bienstman <peter.b...@gmail.com> wrote:

The error message indicates that cheroot was not properly installed. Personally, I'd try with 'sudo pip3 install cheroot' to make sure you're not installing it for python 2.x or something like that.

If that doesn't help, I suggest asking around on an Ubuntu forum, as the issue not really with Mnemosyne itself.

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[Peter Bienstman]

You’re welcome!

 

Peter

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