Jonathan Ringer f122c08d93 pythonPackages.imageio: disable python2 ...

```
  Processing ./imageio-2.8.0-py2-none-any.whl
  ERROR: Package 'imageio' requires a different Python: 2.7.18 not in '>=3.5'
  ```

2020-06-29 14:25:22 -07:00

..

default.nix

pythonPackages.imageio: disable python2

2020-06-29 14:25:22 -07:00