Fix YamboFile call in qpdb.py
Fix YamboFile call in qpdb.py

henriquemiranda/yambo-py,alexmoratalla/yambopy,palful/yambopy,henriquemiranda/yambopy,palful/yambopy,henriquemiranda/yambopy,alexmoratalla/yambopy,alexandremorlet/yambopy,alexandremorlet/yambopy,alexmoratalla/yambo-py,henriquemiranda/yambo-py,alexmoratalla/yambo-py