Sometimes some statement can be repalced by better. There should be possibility how to rewrite it.
Or simper option - remove exact staement...
pwb.py claimit -pagegenerator P1 Q112 -remove
or
pwb.py claimit -pagegenerator P1 -Q112
removes P1=Q112 from every page in pagegenerator if exists.
rewrite should be
pwb.py claimit -pagegenerator P1 Q123 P1 Q112 -remove (adds P1=Q123 and removes P1=Q112)
or
pwb.py claimit -pagegenerator P1 Q123 P1 -Q112