Bad config encountered during initialization:

When I try to launch Jupiter Notebook from the command line or from Anaconda Navigator I get the following error:

[C 13:09:45.091 NotebookApp] Bad config encountered during initialization:
[C 13:09:45.104 NotebookApp] The 'kernel_spec_manager_class' trait of instance must be a type, but 'nb_conda_kernels.CondaKernelSpecManager' could not be imported

I can run Jupiter Notebook from other Python environments but not from root. I would really like to just be able to launch the notebook using the default version of Python on my machine. Currently this is 3.6.2.

Many thanks,
Emily

Reproduce the initialization failure when launching Jupyter Notebook from the command line or Anaconda Navigator in the root Python 3.6.2 environment. Investigate why nb_conda_kernels.CondaKernelSpecManager cannot be imported; done means the default environment launches without the bad-config error.

Written by the indexing model from the issue text.