Add informative error message to Series.__getitem__ (#4638)
Add informative error message to Series.__getitem__ (#4638)

https://stackoverflow.com/questions/55247264/notimplementederror-is-thrown-when-i-use-isin-with-dask-data-frames
dask/dask,jakirkham/dask,blaze/dask,jcrist/dask,ContinuumIO/dask,dask/dask,ContinuumIO/dask,mrocklin/dask,blaze/dask,mrocklin/dask,jakirkham/dask,jcrist/dask