[web2py] passing a string list from a controller to a view. Error?

[António Ramos]

Context: Jqplot graph in web2py

Hello
i have a controller

def index():
      ticks = ['May', 'June', 'July', 'August']
      return dict(ticks=ticks)


my view
{{=ticks}}

the code of the html generated is

['May', 'June', 'July', 'August']


but i passed   ['May', 'June', 'July', 'August']

why?
how to correct my view?