anchor.diff:              Environment =
                   [   "MSBuild", msBuildExe
                       "GIT", Git.CommandHelper.gitPath
  -                //    "FSI", Fake.FSIHelper.fsiPath
                   ] |> Map.ofList |> Some
           }
       )
  
positive.code:                 Environment =
                      [   "MSBuild", msBuildExe
                          "GIT", Git.CommandHelper.gitPath
                      //    "FSI", Fake.FSIHelper.fsiPath
                      ] |> Map.ofList |> Some
              }
      )
  
negative.code:             }.WithEnvironmentVariables [
                 "MSBuild", msBuildExe
                 "GIT", Git.CommandHelper.gitPath
              ] |> fun info -> 
                  if not isUnix then
                      info.WithEnvironmentVariable ("PYTHONPATH", stdLib)
  