mcuboot-master imgtool.py sign error

[changkong5]

lsb@lsb-ThinkPad-E470:zephyr-master-v1.11.99.x$ ./mcuboot-master/scripts/imgtool.py sign \

 --key ./mcuboot-master/root-rsa-2048.pem \
 --header-size 0x200 \
 --align 8 \
 --version 1.0 \
 --included-header \
 ./usr/nrf52/smp_svr/build/zephyr/zephyr.hex signed.hex

Traceback (most recent call last):
File "./mcuboot-master/scripts/imgtool.py", line 150, in
args()
File "./mcuboot-master/scripts/imgtool.py", line 147, in args
subcmdsargs.subcmd
File "./mcuboot-master/scripts/imgtool.py", line 85, in do_sign
img.sign(key)
File "/home/lsb/Desktop/zephyr-master-v1.11.99.x/mcuboot-master/scripts/imgtool/image.py", line 135, in sign
sig = key.sign(bytes(self.payload))
File "/home/lsb/Desktop/zephyr-master-v1.11.99.x/mcuboot-master/scripts/imgtool/keys/rsa.py", line 92, in sign
return self.key.sign(
AttributeError: '_RSAPrivateKey' object has no attribute 'sign'
lsb@lsb-ThinkPad-E470:zephyr-master-v1.11.99.x$

[Jeepgoing]

look at this issue, maybe can give you some advise.https://github.com/runtimeco/mcuboot/issues/253

[changkong5]

The problem was solved. thanks for you help.