I have an ado called groupfunction which made use of python for calculating Gini coefficients since it is much faster. However, I realized recently that it is not loading the python function. I thought it may be that I made a mistake in my code, but it seems to be a different problem. I'm testing with the example code given in the manual. The python function is not recognized in the program, but it is in memory and can be called on its own, see below:

clear all

version 16.1
python:
from sfi import Data, Scalar
def calcsum(varname, touse):
x = Data.get(varname, None, touse)
Scalar.setValue("r(sum)", sum(x))
end

program varsum
version 16.1
syntax varname [if] [in]
marksample touse
python: calcsum("`varlist'", "`touse'")
display as txt " sum of ‘varlist’: " as res r(sum)
end




sysuse auto, clear

noisily capture varsum price
dis _rc

//But function is in memory!!
gen uno =1
python: calcsum("price", "uno")
dis r(sum)

Any help or thoughts you may have on fixing this would be much appreciated. Thanks!