Fixes example code block in dataframe.Series.map_overlap (#3425)
Fixes example code block in dataframe.Series.map_overlap (#3425)


mrocklin/dask,blaze/dask,jakirkham/dask,jcrist/dask,dask/dask,dask/dask,jakirkham/dask,ContinuumIO/dask,blaze/dask,ContinuumIO/dask,mrocklin/dask,jcrist/dask