Traceback (most recent call last):
  File "bin/fusesoc", line 348, in <module>
    run(parsed_args)
  File "bin/fusesoc", line 283, in run
    args.func(args)
  File "bin/fusesoc", line 215, in sim
    sim.configure()
  File "/home/franck/Stockage/Travail/openrisc/upstream/fusesoc/fusesoc/simulator/verilator.py", line 71, in configure
    self.export()
  File "/home/franck/Stockage/Travail/openrisc/upstream/fusesoc/fusesoc/simulator/verilator.py", line 59, in export
    dirs = list(set(map(os.path.dirname, src_files)))
  File "/usr/lib/python2.7/posixpath.py", line 122, in dirname
    i = p.rfind('/') + 1
AttributeError: 'File' object has no attribute 'rfind'