help me to "mka systemimage"

[errors]

@keneda
yes ,this is xiaomi4. I don't know do it ,help ,help me

[Keneda]

@errors
Sorry i'm not a porter/dev, i'll let someone with those skills help you.
Just wait a little, it's early, activity on forum increase in the evenning.

[errors]

@keneda I just copied this file, and now the error information is as follows

Running kati to generate build-lineage_cancro.ninja...
No need to regenerate ninja file
Starting build with ninja
ninja: Entering directory `.'
ninja: error: '/home/ubuntu/halium/out/host/linux-x86/framework/signapk.jar', needed by '/home/ubuntu/halium/out/target/product/cancro/obj/APPS/TimeService_intermediates/package.apk', missing and no known rule to make it
make: *** [build/core/ninja.mk:152：ninja_wrapper] 错误 1
make: 离开目录“/home/ubuntu/halium”

[errors]

@keneda

[errors]

@keneda I have checked this file “proprietary-files.txt”

[Keneda]

@errors
Really, i have no skill or knowledge to help you further, i'm sorry

[errors]

@keneda
I don't believe ,you must can help me!

[errors]

@keneda
I modified a file,(~/halium/vendor/xiaomi/cancro/Android.mk) and now the error information is as follows

[ 32% 5112/15525] Generated: (/home/ub...arget/product/cancro/android-info.txt)
FAILED: /bin/bash -c "(build/tools/check_radio_versions.py device/xiaomi/cancro/board-info.txt ) && (grep -v '#' device/xiaomi/cancro/board-info.txt > /home/ubuntu/halium/out/target/product/cancro/android-info.txt )"
  File "build/tools/check_radio_versions.py", line 56
    print "*** Error opening \"%s.sha1\"; can't verify %s" % (fn, key)
          ^
SyntaxError: invalid syntax
[ 32% 5112/15525] host C: libsepol <= ...nal/selinux/libsepol/src/conditional.c
ninja: build stopped: subcommand failed.
make: *** [build/core/ninja.mk:152：ninja_wrapper] 错误 1
make: 离开目录“/home/ubuntu/halium”

[errors]

@keneda
sudo apt-get install python
python -V
Python 2.7.18
now is no problem!

[Keneda]

@errors
Glad you sorted it out, sorry again for my lack of coding knowledge.