Update manager.py: more descriptive warnings when extensions fail to load #396
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Warning message are descriptive when an extension fails to load. To provide an example, before this tiny fix, I got the warning message when starting jupyter-lab:
[W 2021-01-29 16:36:12.766 ServerApp] 'nbextensions_path'
while now I would get:
[W 2021-01-29 16:55:35.576 ServerApp] jupyter_nbextensions_configurator | extension failed loading with message: 'nbextensions_path'
clarifying that it is
jupyter_nbextensions_configurator
not loading. With this better description, this warning is no more surprising because I know that this extension is for the classic notebook only.