REF: Simplify dataframe creation and stacked funtion in brewer.py (#7247)
REF: Simplify dataframe creation and stacked funtion in brewer.py (#7247)


aavanian/bokeh,ericmjl/bokeh,ericmjl/bokeh,timsnyder/bokeh,bokeh/bokeh,jakirkham/bokeh,aavanian/bokeh,stonebig/bokeh,bokeh/bokeh,ericmjl/bokeh,mindriot101/bokeh,Karel-van-de-Plassche/bokeh,mindriot101/bokeh,bokeh/bokeh,timsnyder/bokeh,aavanian/bokeh,bokeh/bokeh,timsnyder/bokeh,jakirkham/bokeh,dennisobrien/bokeh,stonebig/bokeh,bokeh/bokeh,ericmjl/bokeh,stonebig/bokeh,ericmjl/bokeh,Karel-van-de-Plassche/bokeh,aavanian/bokeh,dennisobrien/bokeh,jakirkham/bokeh,mindriot101/bokeh,Karel-van-de-Plassche/bokeh,dennisobrien/bokeh,dennisobrien/bokeh,jakirkham/bokeh,Karel-van-de-Plassche/bokeh,Karel-van-de-Plassche/bokeh,aavanian/bokeh,timsnyder/bokeh,jakirkham/bokeh,mindriot101/bokeh,timsnyder/bokeh,dennisobrien/bokeh,stonebig/bokeh