STY: Check pytest.raises is used context manager#24332
Merged
jreback merged 2 commits intopandas-dev:masterfrom Dec 19, 2018 
Merged
STY: Check pytest.raises is used context manager#24332jreback merged 2 commits intopandas-dev:masterfrom 
jreback merged 2 commits intopandas-dev:masterfrom