don't try to call doneFnCompleted when it isn't set
don't try to call doneFnCompleted when it isn't set

etpinard/plotly.js,plotly/plotly.js,aburato/plotly.js,plotly/plotly.js,aburato/plotly.js,etpinard/plotly.js,plotly/plotly.js,etpinard/plotly.js,plotly/plotly.js