In AI Chopin would generally write accidentals only next to the upper notes of the octaves. The only sign before a bottom note is the 
lowering g2 to g2 in bar 27. The notation of A is already much more precise – only the lowering g1 to g1 in bar 25 is missing. FE (→GE,EE) have the correct text.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Accidentals in different octaves, Errors of A, Authentic corrections of FE
notation: Pitch