IPython versions 7.17 and higher don't support Python 3.6 anymore, so
this commit adds back the old expression for 7.16.1 from before
ba1038a98b for use in python36Packages
only.
nix-repl> :b python36.withPackages (ps: [ ps.ipython ])
builder for '/nix/store/q8v4f89xwv35a3idb9z345z6n3nzfycb-python3.6-ipython-7.17.0.drv' failed with exit code 1; last 10 log lines:
Python 3.5 was supported with IPython 7.0 to 7.9.
Python 3.6 was supported with IPython up to 7.16.
See IPython `README.rst` file for more information:
https://github.com/ipython/ipython/blob/master/README.rst
Python sys.version_info(major=3, minor=6, micro=12, releaselevel='final', serial=0) detected.
cannot build derivation '/nix/store/mhpdarp18z6skzswrl7sbgzv8hr4gwih-python3-3.6.12-env.drv': 1 dependencies couldn't be built
[0 built (1 failed)]
error: build of '/nix/store/mhpdarp18z6skzswrl7sbgzv8hr4gwih-python3-3.6.12-env.drv' failed
eabba0daf0