I want to select the features that are not equal. So, I made a selection by location where the geometric predicate is equal and then I thought to invert the selection. Is there any way to invert the selection using PyQGIS?

My code:

import processing
layer1 = processing.getObject('polygon1')
layer2 = processing.getObject('polygon2')

processing.runalg('qgis:selectbylocation', layer2, layer1, u'equals', 0.005,0)


Assuming layer2 is the layer holding selection, just use:


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