keisha knight pulliam*How do ya like dem apples?

Keshia Knight Pulliam made serious change on TBS’ “House of Payne.” Something on the order of $20k per episode, her agents, er, former agents claim. We say former agents because they claim that after they put the deal together she fired them. Now, according to TMZ, they are suing her.

KKP is being sued by Greene & Associates Talent Agency … which claims it signed Keshia back in 2007 and immediately got her a lead role on the Tyler Perry show as Miranda Payne.

G&A claims it kicked ass for KKP, getting her between $7,500 to $20k per episode … including $20k per ep for all of the 2011-12 season …. not bad.

But not good enough for Keshia … because according to the suit, she fired G&A back in July.

There’s just one BIG problem … G&A claims Keshia never forked over a single cent in commission from the ‘Payne’ deal … and several other shows it worked on for Keshia.

Now, the agency is suing for more than $100k in back payments PLUS more than $250k for commissions that Keshia stands to earn in the future from deals it helped put together.

Developing ….