plone/plone.app.upgrade — comment on commit 83fc72bacc8ee545060032857861b785f6125432
File: plone/app/upgrade/v40/betas.py line 276
By vincentfretin:

@hannosch: the index._length.change(-1) line in the rename branch seems wrong. We are removing and adding an new entry, so the length doesn't change right?