opencv : Fix lib finding for python
opencv : Fix lib finding for python

EmreAtes/spack,iulian787/spack,mfherbst/spack,TheTimmy/spack,krafczyk/spack,matthiasdiener/spack,tmerrick1/spack,EmreAtes/spack,iulian787/spack,LLNL/spack,LLNL/spack,TheTimmy/spack,lgarren/spack,EmreAtes/spack,matthiasdiener/spack,skosukhin/spack,EmreAtes/spack,lgarren/spack,skosukhin/spack,TheTimmy/spack,mfherbst/spack,mfherbst/spack,iulian787/spack,mfherbst/spack,TheTimmy/spack,lgarren/spack,skosukhin/spack,krafczyk/spack,skosukhin/spack,lgarren/spack,skosukhin/spack,mfherbst/spack,krafczyk/spack,LLNL/spack,iulian787/spack,LLNL/spack,krafczyk/spack,krafczyk/spack,tmerrick1/spack,TheTimmy/spack,tmerrick1/spack,iulian787/spack,matthiasdiener/spack,tmerrick1/spack,tmerrick1/spack,LLNL/spack,matthiasdiener/spack,matthiasdiener/spack,EmreAtes/spack,lgarren/spack