'KeyError: key "git-tree-sha1" not found' when starting Initialize 020 Serial Performance.ipynb

[nathans]

I am attempting to complete the Parallel Computing series on JuliaAcademy. In 020 Serial Performance.ipynb (as well as other notebooks), the following does not work:

import Pkg; Pkg.add(Pkg.PackageSpec(url="https://github.com/JuliaComputing/JuliaAcademyData.jl"))
using JuliaAcademyData; activate("Parallel_Computing")

I receive the following error output:

  Updating registry at `C:\Users\nathans\.julia\registries\General`
  Updating git-repo `https://github.com/JuliaRegistries/General.git`
[1mFetching: [========================================>]  99.9 %0.0 % [========>                                ]  18.0 %>                                ]  20.0 % %                       ]  40.5 % [========================>                ]  58.5 %61.8 %================================>        ]  79.8 %>]  99.5 %  Updating git-repo `https://github.com/JuliaComputing/JuliaAcademyData.jl`
 Resolving package versions...
  Updating `C:\Users\nathans\.julia\environments\v1.0\Project.toml`
 [no changes]
  Updating `C:\Users\nathans\.julia\environments\v1.0\Manifest.toml`
 [no changes]

┌ Info: Recompiling stale cache file C:\Users\nathans\.julia\compiled\v1.0\JuliaAcademyData\lrk4V.ji for JuliaAcademyData [18b7da76-0988-5e3b-acac-6290be3a708f]
└ @ Base loading.jl:1190

  Updating registry at `C:\Users\nathans\.julia\registries\General`
  Updating git-repo `https://github.com/JuliaRegistries/General.git`

KeyError: key "git-tree-sha1" not found

Stacktrace:
 [1] getindex(::Dict{String,Any}, ::String) at .\dict.jl:478
 [2] #instantiate#61(::Nothing, ::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tuple{}}}, ::Function, ::Pkg.Types.Context) at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Pkg\src\API.jl:558
 [3] instantiate at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Pkg\src\API.jl:537 [inlined]
 [4] #instantiate#60 at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Pkg\src\API.jl:535 [inlined]
 [5] instantiate at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Pkg\src\API.jl:535 [inlined]
 [6] activate(::String) at C:\Users\nathans\.julia\packages\JuliaAcademyData\II8LR\src\JuliaAcademyData.jl:30
 [7] top-level scope at In[1]:2

This is running the current stable Julia 1.0.5. This has the same behavior on both Linux and Windows.

When I tried with the latest Julia (instead of LTS), I observed the same error as in issue #1 .

[logankilpatrick]

I just fixed this! Sorry for the delay.

[logankilpatrick]

Would appreciate it if you could try it again just to make sure it works on your end @nathans

[nathans]

I did try and confirm it is working as expected now. Thanks!

[logankilpatrick]

Awesome!