update

azure-pipelines.yml

@@ -11,14 +11,14 @@ steps:
   inputs:
     versionSpec: '3.6'
     architecture: 'x64'
-- script: '! yarn'
-  displayName: 'Verify yarn not installed'
+steps:
+- bash: rm -rf $(which yarn)
+- bash: '! which yarn'
 
-- script: mkdir ~/.jupyter
+- bash: mkdir ~/.jupyter
 
 - script: python -m pip install --upgrade pip
 - script: pip --version
-  displayName: 'Show pip version'
 - script: 'python -m pip install -e ".[test]"'
 - script: jlpm versions
 - script: jlpm config current