message: Use pip3 instead of pip.
diff: @@ -17,7 +17,7 @@ jobs:
  - name: Windows + VS2017
  os: windows
  install:
  - - pip install awscli
  + - pip3 install awscli
  - choco install 7zip.portable
  - aws s3 cp s3://cesium-unreal-engine/2021-03-16/UE_4.26.zip .
  - 7z e UE_4.26.zip "-oC:\Program Files\Epic Games"
  