Fix python 3 support
A recent MR has broken python 3 support (before having the py3 platform in master). This should fix the failing Moore tests in the py3 platform of lhcb-master.
This is unrelated, but can be tested together with Brunel!2224
A recent MR has broken python 3 support (before having the py3 platform in master). This should fix the failing Moore tests in the py3 platform of lhcb-master.
This is unrelated, but can be tested together with Brunel!2224