python-shiboken-6 fails to build on Guix
guix b96b82b
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master commit: b96b82bcd4bc24529941ff74a91432481f1a71b5

With this error thrown during the build process:

Traceback (most recent call last):
File "/tmp/guix-build-python-shiboken-6-6.3.2.drv-0/pyside-setup-opensource-src-6.3.2/sources/shiboken6/libshiboken/embed/embedding_generator.py", line 255, in <module>
create_zipfile(args.use_pyc, args.quiet)
File "/tmp/guix-build-python-shiboken-6-6.3.2.drv-0/pyside-setup-opensource-src-6.3.2/sources/shiboken6/libshiboken/embed/embedding_generator.py", line 130, in create_zipfile
with open(boot_name, "rb") as ldr, open("signature_bootstrap_inc.h", "w") as inc:
FileNotFoundError: [Errno 2] No such file or directory: 'signature_bootstrap.pyc'
make[2]: *** [libshiboken/CMakeFiles/libshiboken.dir/build.make:92: libshiboken/embed/signature_bootstrap_inc.h] Error 1
make[2]: Leaving directory '/tmp/guix-build-python-shiboken-6-6.3.2.drv-0/pyside-setup-opensource-src-6.3.2/sources/build'
make[1]: *** [CMakeFiles/Makefile2:405: libshiboken/CMakeFiles/libshiboken.dir/all] Error 2make[1]: *** Waiting for unfinished jobs....