No the years ticker does not take any parameters. It always does basic 2, 5, 10 nice year picking. We could make it more configurable like the months and days tickers but that can be layer if there is a need. 



> On Apr 2, 2014, at 14:02, Damián Avila <notifications@github.com> wrote:
> 
> In bokeh/objects.py:
> 
> > @@ -150,6 +150,9 @@ class DaysTicker(Ticker):
> >  class MonthsTicker(Ticker):
> >      months = List(Int)
> >  
> > +class YearsTicker(Ticker):
> > +    pass
> this souldn't be years = List(Int)?
> 
> —
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