Remove color correction. Advice needed

Hello!

I need to make a script, which will find Color Correction Map in all materials with any gamma-correction in diffuse slot, and set gammaRGB to 1.

https://yadi.sk/i/Shd19HPdzMqoMQ

UPD:
Need to set gammaRGB for Diffuse slot only, but here for all Color Correction maps:

for m in sceneMaterials do (
	
	for p in getPropNames m where isKindOf (tex = getProperty m p) textureMap do
	(
		if isKindOf tex Color_Correction do tex.gammaRGB = 1
	)
)

UPD2:
try to check if slot is Diffuse, but have no luck(

for m in sceneMaterials do (
	
	for p in getPropNames m where isKindOf (tex = getProperty m p) textureMap do
	(
		if isProperty p #texmapDiffuse do
		if isKindOf tex Color_Correction do tex.gammaRGB = 1
	)
)