fix pillow pin
fix pillow pin

mindriot101/bokeh,dennisobrien/bokeh,jakirkham/bokeh,bokeh/bokeh,ericmjl/bokeh,stonebig/bokeh,jakirkham/bokeh,dennisobrien/bokeh,timsnyder/bokeh,timsnyder/bokeh,ericmjl/bokeh,mindriot101/bokeh,timsnyder/bokeh,timsnyder/bokeh,dennisobrien/bokeh,mindriot101/bokeh,dennisobrien/bokeh,ericmjl/bokeh,stonebig/bokeh,dennisobrien/bokeh,ericmjl/bokeh,ericmjl/bokeh,timsnyder/bokeh,stonebig/bokeh,bokeh/bokeh,jakirkham/bokeh,mindriot101/bokeh,jakirkham/bokeh,bokeh/bokeh,stonebig/bokeh,jakirkham/bokeh,bokeh/bokeh,bokeh/bokeh