assertion error

[fothot]

hey i am trying to exploit my 3gs but i'm getting the following error:
Sending iBSS.
Waiting for iBSS to enter Recovery Mode.
Sending iBSS payload to flash NOR.
Traceback (most recent call last):
File "./ipwndfu", line 523, in
device.flash_nor(new_nor)
File "./ipwndfu", line 418, in flash_nor
recovery.send_data(device, payload)
File "/home/user/Downloads/ipwndfu-master/recovery.py", line 32, in send_data
assert device.write(0x04, data[index:index + amount], 1) == amount
AssertionError

[albyvar]

Try to use the latest pyusb module, i was using 1.0.0 alpha and gave me some errors, updated to pyusb 1.0.0 beta and it worked

[fothot]

I have installed ubuntu over a fedora installation and it worked, thanks anyway.

[axi0mX]

This might be a race condition. There's a couple of race conditions I still need to look into and fix. Trying again might work.