Provide meaningful errors when a builder has not specified the dimensions that it uses.
Provide meaningful errors when a builder has not specified the dimensions that it uses.

jakirkham/bokeh,aiguofer/bokeh,stonebig/bokeh,clairetang6/bokeh,maxalbert/bokeh,percyfal/bokeh,jplourenco/bokeh,azjps/bokeh,percyfal/bokeh,aavanian/bokeh,bokeh/bokeh,quasiben/bokeh,aiguofer/bokeh,jakirkham/bokeh,dennisobrien/bokeh,mindriot101/bokeh,ericmjl/bokeh,evidation-health/bokeh,mindriot101/bokeh,ericmjl/bokeh,DuCorey/bokeh,ChinaQuants/bokeh,azjps/bokeh,ptitjano/bokeh,dennisobrien/bokeh,aavanian/bokeh,phobson/bokeh,ericmjl/bokeh,DuCorey/bokeh,timsnyder/bokeh,schoolie/bokeh,stonebig/bokeh,jakirkham/bokeh,ericmjl/bokeh,ChinaQuants/bokeh,ptitjano/bokeh,htygithub/bokeh,msarahan/bokeh,azjps/bokeh,KasperPRasmussen/bokeh,jplourenco/bokeh,timsnyder/bokeh,philippjfr/bokeh,rs2/bokeh,schoolie/bokeh,draperjames/bokeh,schoolie/bokeh,msarahan/bokeh,KasperPRasmussen/bokeh,srinathv/bokeh,quasiben/bokeh,bokeh/bokeh,rs2/bokeh,khkaminska/bokeh,bokeh/bokeh,dennisobrien/bokeh,bokeh/bokeh,rs2/bokeh,draperjames/bokeh,stonebig/bokeh,khkaminska/bokeh,stonebig/bokeh,aiguofer/bokeh,timsnyder/bokeh,draperjames/bokeh,philippjfr/bokeh,evidation-health/bokeh,Karel-van-de-Plassche/bokeh,phobson/bokeh,maxalbert/bokeh,Karel-van-de-Plassche/bokeh,clairetang6/bokeh,justacec/bokeh,jakirkham/bokeh,DuCorey/bokeh,justacec/bokeh,KasperPRasmussen/bokeh,ptitjano/bokeh,clairetang6/bokeh,philippjfr/bokeh,dennisobrien/bokeh,justacec/bokeh,evidation-health/bokeh,draperjames/bokeh,ptitjano/bokeh,KasperPRasmussen/bokeh,schoolie/bokeh,gpfreitas/bokeh,percyfal/bokeh,jplourenco/bokeh,Karel-van-de-Plassche/bokeh,maxalbert/bokeh,KasperPRasmussen/bokeh,azjps/bokeh,gpfreitas/bokeh,aiguofer/bokeh,rs2/bokeh,ChinaQuants/bokeh,Karel-van-de-Plassche/bokeh,philippjfr/bokeh,gpfreitas/bokeh,phobson/bokeh,maxalbert/bokeh,dennisobrien/bokeh,ericmjl/bokeh,srinathv/bokeh,percyfal/bokeh,htygithub/bokeh,msarahan/bokeh,khkaminska/bokeh,srinathv/bokeh,azjps/bokeh,mindriot101/bokeh,phobson/bokeh,mindriot101/bokeh,clairetang6/bokeh,khkaminska/bokeh,DuCorey/bokeh,bokeh/bokeh,rs2/bokeh,phobson/bokeh,aiguofer/bokeh,htygithub/bokeh,draperjames/bokeh,schoolie/bokeh,aavanian/bokeh,jplourenco/bokeh,ptitjano/bokeh,justacec/bokeh,evidation-health/bokeh,ChinaQuants/bokeh,aavanian/bokeh,gpfreitas/bokeh,timsnyder/bokeh,DuCorey/bokeh,msarahan/bokeh,quasiben/bokeh,htygithub/bokeh,jakirkham/bokeh,aavanian/bokeh,timsnyder/bokeh,philippjfr/bokeh,Karel-van-de-Plassche/bokeh,srinathv/bokeh,percyfal/bokeh