simplify pie.style - marginally slower but shorter and easier to abstract
simplify pie.style - marginally slower but shorter and easier to abstract

asolagmbh/plotly.js,etpinard/plotly.js,plotly/plotly.js,iongroup/plotly.js,aburato/plotly.js,asolagmbh/plotly.js,iongroup/plotly.js,aburato/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,plotly/plotly.js,plotly/plotly.js,iongroup/plotly.js,etpinard/plotly.js,plotly/plotly.js