Revert "Bump ipython from 7.16.1 to 7.21.0"

[shyamd]

Reverts #403

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@de320fc). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #406   +/-   ##
=======================================
  Coverage        ?   86.96%           
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  Files           ?       28           
  Lines           ?     2225           
  Branches        ?        0           
=======================================
  Hits            ?     1935           
  Misses          ?      290           
  Partials        ?        0           

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