Spell "log" in "git log" correctly

[pinch] / shell.nix

{ pkgs ? import <nixpkgs> { } }:
pkgs.mkShell rec {
  doCheck = true;
  buildInputs = with pkgs; [ python3 ];
  checkInputs = with pkgs; [
    mypy
    python3Packages.autopep8
    python3Packages.pylint
  ];
}