It is now May 1,2020, and I noticed the same thing still exists. I wondered about this. I switched from H & R Block (last year) because of the headache a similar "double-entry" caused me, having to file and amended return, etc. so I was skeptical when I saw this in TT this year.
Tech Support: Please verify that I should leave this blank in Easy-Step if I have downloaded the T-slip information from CRA--
