[SCons] Fix 'HAS_NO_PYTHON' to account for the Python 3 package
[SCons] Fix 'HAS_NO_PYTHON' to account for the Python 3 package


Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,imitrichev/cantera,imitrichev/cantera