APLpy
decorator 
astropy
bokeh
ipython
jupyter
notebook<6.5  # 6.5.2 causes kak, life is to short to figure out, time to move to Jupyter Lab anyway

## pinning nbconvert at <6, see https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/1529
## update: seems OK now
nbconvert #<6

## Avoid 5.5.2, see https://github.com/ipython/ipykernel/issues/621
## update: seems fixed
ipykernel 
matplotlib
pillow
pyparsing ## 10/2022: OK now #<3  # as of 11/2021, 3.0+ gets installed by default and confuses something else
python-casacore
radiopadre-client
jupyter-contrib-nbextensions
nodeenv
click
OmegaConf
ipynbname
