Why aareareal for interchange gives "[None]"?

asked 2019-01-22 12:50:57 -0500

TheBard
11 ●3 ●4 ●5

updated 2019-01-22 13:23:56 -0500

I'm trying to get the area interchange for Area 70. Here is my code:

psspy.bsys(0,0,[ 0.2, 500.],1,[70],0,[],0,[],0,[])
psspy.progress_output(2,"Test 10_A70 interchange.txt",[0,0])
ierr, rarray = psspy.aareareal(0,1,'PINT')
print(rarray)
psspy.progress_output(1,"0",[0,0])

This seemed to work fine at one point but now no longer is. The text file reads "[None]" and ierr = 2 which means there is an invalid SID, but I'm not sure why it would be invalid.

Any help would be great, thanks!