DX: identify unidentified variables in notebooks #223
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Ruff was ignoring
F821
in Jupyter notebooks. This is not a good idea, because one often makes typos and then only realizes that a variable name is mistyped only once the notebook is run. Now, typos in variable names are flagged.The reason for ignoring
F821
is that cell magic sometimes makes it look like a variable is not defined, which resulted in many false-positives. There is no good solution for this, so the error is now ignored for specific notebooks.