pythonPackages.locustio: 0.8.1 -> 0.9.0

[costrouc]

Fixing build issue. Additionally fetching from github becuase pypi
packge does not come with README which is a buildtime dependency.

Motivation for this change

18.09 Zero Hydra Failures #45960

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Fits CONTRIBUTING.md.

---

[xeji]

@GrahamcOfBorg build python36Packages.locustio python27Packages.locustio

[GrahamcOfBorg]

Success on aarch64-linux (full log)

Attempted: python36Packages.locustio, python27Packages.locustio

Partial log (click to expand)

test_slow_redirect (locust.test.test_client.TestHttpSession) ... ok
test_streaming_response (locust.test.test_client.TestHttpSession) ... ok
test_wrong_url (locust.test.test_client.TestHttpSession) ... ok

----------------------------------------------------------------------
Ran 103 tests in 9.706s

OK
/nix/store/g5x77hshbdbksqgwnvlqkgf9lv684ysl-python3.6-locustio-0.9.0
/nix/store/lww6q45icnxk218vf739vkfbd3xnk7ay-python2.7-locustio-0.9.0

[GrahamcOfBorg]

Success on x86_64-linux (full log)

Attempted: python36Packages.locustio, python27Packages.locustio

Partial log (click to expand)

test_spawn_uneven_locusts (locust.test.test_runners.TestMasterRunner) ... ok
test_spawn_zero_locusts (locust.test.test_runners.TestMasterRunner) ... ok
test_message_serialize (locust.test.test_runners.TestMessageSerializing) ... ok

----------------------------------------------------------------------
Ran 103 tests in 9.160s

OK
/nix/store/q766c3ml3r27573f5gb5nnhb9fycrk1h-python3.6-locustio-0.9.0
/nix/store/993pk8j85vfv1qqq9djnk705k2hf624z-python2.7-locustio-0.9.0

[GrahamcOfBorg]

Success on x86_64-darwin (full log)

Attempted: python36Packages.locustio, python27Packages.locustio

Partial log (click to expand)

test_stats (locust.test.test_web.TestWebUI) ... ok
test_stats_cache (locust.test.test_web.TestWebUI) ... ok
test_stats_no_data (locust.test.test_web.TestWebUI) ... ok

----------------------------------------------------------------------
Ran 103 tests in 8.018s

OK
/nix/store/y9kns3dsb13lglm7r490cp3qdpl3blk5-python3.6-locustio-0.9.0
/nix/store/qnvmkh6g4r7g9pwarphg6c7sfnirkpxb-python2.7-locustio-0.9.0

[xeji]

backported: 1857e03