im trying to boot to ios 11.3 in my iphone 5s and this happens to me

[Rubanoxd]

rabanicsxd@iMac-Pro-de-rabanics pyboot % ./pyboot.py -i iphone6,2 11.3 -d disk0s1s3
PyBoot - A tool for tether booting Checkm8 vulnerable iOS devices by Matty, @mosk_i

Current version is: Beta 0.9.1
User choose to boot 11.3 from /dev/disk0s1s3.
Make sure your device is connected in DFU mode
Checking theiphonewiki for 11.3 keys...
Keys weren't found for your device, PyBoot will place your device into PWNDFU mode and retrieve the needed keys...

Please ensure your device is connected in DFU mode...
Found: CPID:8960 CPRV:11 CPFM:03 SCEP:01 BDID:02 ECID:000006B5284E3550 IBFL:1C SRTG:[iBoot-1704.10]
ERROR: No Apple device in DFU Mode 0x1227 detected after 30.00 second timeout. Exiting.
Place the device into DFU mode again and re-run Vieux
rabanicsxd@iMac-Pro-de-rabanics pyboot % ./pyboot.py -i iphone6,2 11.3 -d disk0s1s3
PyBoot - A tool for tether booting Checkm8 vulnerable iOS devices by Matty, @mosk_i

Current version is: Beta 0.9.1
User choose to boot 11.3 from /dev/disk0s1s3.
Make sure your device is connected in DFU mode
Checking theiphonewiki for 11.3 keys...
Keys weren't found for your device, PyBoot will place your device into PWNDFU mode and retrieve the needed keys...

Please ensure your device is connected in DFU mode...
Found: CPID:8960 CPRV:11 CPFM:03 SCEP:01 BDID:02 ECID:000006B5284E3550 IBFL:1C SRTG:[iBoot-1704.10]
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/usb/core.py", line 1021, in ctrl_transfer
buff = util.create_buffer(data_or_wLength)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/usb/util.py", line 162, in create_buffer
return array.array('B', _dummy_s * length)
TypeError: can't multiply sequence by non-int of type 'str'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/usb/_interop.py", line 92, in as_array
return array.array('B', data)
TypeError: cannot use a str to initialize an array with typecode 'B'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/Users/rabanicsxd/Desktop/pyboot/./pyboot.py", line 505, in
main()
File "/Users/rabanicsxd/Desktop/pyboot/./pyboot.py", line 477, in main
img4.img4stuff(args.ios[0], args.ios[1], useCustomLogo, logopath, arewelocal, bootOtherOS, bootArgs, amfiPatches)
File "/Users/rabanicsxd/Desktop/pyboot/resources/img4.py", line 245, in img4stuff
pwndfumodeKeys()
File "/Users/rabanicsxd/Desktop/pyboot/resources/pwn.py", line 39, in pwndfumodeKeys
runexploit = checkm8.exploit()
File "/Users/rabanicsxd/Desktop/pyboot/resources/ipwndfu/checkm8.py", line 535, in exploit
libusb1_no_error_ctrl_transfer(device, 0, 0, 0, 0, 'A' * config.overwrite_offset, 10)
File "/Users/rabanicsxd/Desktop/pyboot/resources/ipwndfu/checkm8.py", line 49, in libusb1_no_error_ctrl_transfer
device.ctrl_transfer(bmRequestType, bRequest, wValue, wIndex, data_or_wLength, timeout)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/usb/core.py", line 1023, in ctrl_transfer
buff = _interop.as_array(data_or_wLength)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/usb/_interop.py", line 97, in as_array
a.fromstring(data) # deprecated since 3.2
AttributeError: 'array.array' object has no attribute 'fromstring'
zsh: segmentation fault ./pyboot.py -i iphone6,2 11.3 -d disk0s1s3
(im using a hackintosh)