use -x flag to fail fast on examples and set xdist
use -x flag to fail fast on examples and set xdist

xdist set to: py2 n=2 | py3 n=3

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