Disconnect at particle creation with evalDeferred

evalDeferred.py

import maya.cmds as cmds
emetteur = cmds.emitter(type='surface', rate=10, scaleRateByObjectSize=False, needParentUV=True,
                        cycleEmission='none', speed=1, speedRandom=0, normalSpeed=1, tangentSpeed=0, 
                        maxDistance=0, minDistance=0, dx=1, dy=0, dz=0, spread=0)
particules = cmds.nParticle()

cmds.evalDeferred(lambda: cmds.disconnectAttr(particules[1] + ".internalOpacityRamp", particules[1] + ".opacityPP"), lowestPriority=True)
# Meme chose que la ligne precedente mais passe par une string au lieu d'un lambda.
# cmds.evalDeferred('cmds.disconnectAttr("{}.internalOpacityRamp","{}.opacityPP")'.format(particules[1], particules[1]), lowestPriority=True)