fix bug in mole.Mole, to avoid overwriting the input basis set
fix bug in mole.Mole, to avoid overwriting the input basis set

gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf,gkc1000/pyscf,sunqm/pyscf