Use dataframe if it is available, which is required for maintaining categorical information.
Use dataframe if it is available, which is required for maintaining categorical information.

ericmjl/bokeh,rs2/bokeh,phobson/bokeh,azjps/bokeh,dennisobrien/bokeh,schoolie/bokeh,mindriot101/bokeh,philippjfr/bokeh,bokeh/bokeh,timsnyder/bokeh,draperjames/bokeh,DuCorey/bokeh,msarahan/bokeh,jakirkham/bokeh,KasperPRasmussen/bokeh,justacec/bokeh,ptitjano/bokeh,aavanian/bokeh,stonebig/bokeh,percyfal/bokeh,DuCorey/bokeh,mindriot101/bokeh,mindriot101/bokeh,Karel-van-de-Plassche/bokeh,phobson/bokeh,bokeh/bokeh,rs2/bokeh,mindriot101/bokeh,KasperPRasmussen/bokeh,Karel-van-de-Plassche/bokeh,percyfal/bokeh,KasperPRasmussen/bokeh,bokeh/bokeh,timsnyder/bokeh,timsnyder/bokeh,schoolie/bokeh,ericmjl/bokeh,quasiben/bokeh,ptitjano/bokeh,phobson/bokeh,aavanian/bokeh,bokeh/bokeh,azjps/bokeh,phobson/bokeh,schoolie/bokeh,aiguofer/bokeh,msarahan/bokeh,rs2/bokeh,stonebig/bokeh,jakirkham/bokeh,azjps/bokeh,jakirkham/bokeh,KasperPRasmussen/bokeh,DuCorey/bokeh,philippjfr/bokeh,clairetang6/bokeh,justacec/bokeh,quasiben/bokeh,Karel-van-de-Plassche/bokeh,timsnyder/bokeh,justacec/bokeh,stonebig/bokeh,phobson/bokeh,aiguofer/bokeh,azjps/bokeh,ptitjano/bokeh,percyfal/bokeh,Karel-van-de-Plassche/bokeh,draperjames/bokeh,percyfal/bokeh,dennisobrien/bokeh,draperjames/bokeh,rs2/bokeh,clairetang6/bokeh,draperjames/bokeh,aavanian/bokeh,ptitjano/bokeh,dennisobrien/bokeh,philippjfr/bokeh,clairetang6/bokeh,jakirkham/bokeh,quasiben/bokeh,msarahan/bokeh,clairetang6/bokeh,aavanian/bokeh,philippjfr/bokeh,dennisobrien/bokeh,rs2/bokeh,aiguofer/bokeh,aavanian/bokeh,draperjames/bokeh,Karel-van-de-Plassche/bokeh,DuCorey/bokeh,KasperPRasmussen/bokeh,timsnyder/bokeh,ericmjl/bokeh,azjps/bokeh,percyfal/bokeh,msarahan/bokeh,schoolie/bokeh,ericmjl/bokeh,ericmjl/bokeh,DuCorey/bokeh,ptitjano/bokeh,justacec/bokeh,aiguofer/bokeh,jakirkham/bokeh,philippjfr/bokeh,stonebig/bokeh,bokeh/bokeh,aiguofer/bokeh,schoolie/bokeh,dennisobrien/bokeh