Hi all,
I have an encrypted wallet.dat that is 3 years old. I have tried the easy methods (opening Core, replacing the wallet.dat, importing into electrum etc) but everything comes back as saying my wallet is corrupted.
As a last resort I am trying to run pywallet recovery on a usb stick with my dat file. I am getting a strange error though:
root@linux-box:~/Desktop/btc# ls -l /mnt/usb
-rw-r--r-- 1 root root 31667 Mar 31 16:09 wallet.dat
python pywallet.py --recover --recov_size=256Mo --recov_device=/mnt/usb/ --recov_outputdir=./
Enter the passphrase for the wallet that will contain all the recovered keys: ****
Starting recovery.
Traceback (most recent call last):
File "pywallet.py", line 4870, in
recoveredKeys=recov(device, passes, size, 10240, options.recov_outputdir)
File "pywallet.py", line 1467, in recov
r=search_patterns_on_disk(device, size, inc, map(lambda x:nameToDBName- , ['mkey', 'ckey', 'key']))
File "pywallet.py", line 1350, in search_patterns_on_disk
if lendataloaded%512>0:
TypeError: unsupported operand type(s) for %: 'NoneType' and 'int'
Could this just be an OS issue? I'm running Debian. Python version is 2.7
thanks! 
