Add scipy to DevOps.

Author: interpret-ml

azure-pipelines.yml

@@ -41,7 +41,7 @@ jobs:
  - script: python -m pip install --upgrade pip setuptools wheel
  condition: succeeded()
  displayName: 'Install tools'
- - script: python -m pip install pytest pytest-cov numpy pandas
+ - script: python -m pip install pytest pytest-cov numpy pandas scipy
  condition: succeeded()
  displayName: 'Install test requirements'
  - script: python -m pip install torch==1.6.0+cpu -f https://download.pytorch.org/whl/torch_stable.html