Traceback (most recent call last):
File "./hfs_fix.py", line 216, in <module>
main()
File "./hfs_fix.py", line 202, in main
listGPT(diskDevice)
File "./hfs_fix.py", line 140, in listGPT
_, gpt = readMBRAndGPT(diskDevice)
File "./hfs_fix.py", line 133, in readMBRAndGPT
mbr = disk.read(blockSize)
IOError: [Errno 5] Input/output error