# indie:lang_version = 5
from indie import indicator, param, source, plot, color
from indie.algorithms import Rma


@indicator('SMMA', overlay_main_pane=True)  # Smoothed Moving Average
@param.int('length', default=7, min=1)
@param.source('src', default=source.CLOSE, title='Source')
@plot.line(color=color.PURPLE)
def Main(self, length, src):
    return Rma.new(src, length)[0]