CI install pillow in pypy job
@@ -22,7 +22,7 @@ which python
# compatibility is resolved for numpy v1.6.x. For instance,
# when PyPy3 >6.0 is released (see numpy/numpy#12740)
pip install --extra-index https://antocuni.github.io/pypy-wheels/ubuntu "numpy==1.15.*" Cython pytest
-pip install "scipy>=1.1.0" sphinx numpydoc docutils joblib
+pip install "scipy>=1.1.0" sphinx numpydoc docutils joblib pillow
ccache -M 512M
export CCACHE_COMPRESS=1
