Failing build

[Jean-Charles Malahieude]

Hi,

Wishing to merge back translation into master, I first want to have 
everything fine but, with HEAD at

2f4b432c66 framework-svg.scm: Fix 'style' tag

and nothing wrong with autogen, I get

make VERBOSE=1
# Making out/VERSION
mkdir -p ./out
echo 2.21.1 > out/VERSION
# Making out/share/lilypond/current/lilypond-force
cd /home/jcharles/GIT/Devel/out && rm -rf bin lib share
mkdir -p ./out/bin
mkdir -p ./out/share/lilypond/current
mkdir -p ./out/lib/lilypond/current
mkdir -p ./out/share/lilypond/current/elisp
mkdir -p ./out/share/lilypond/current/fonts
mkdir -p ./out/share/lilypond/current/fonts/otf
mkdir -p ./out/share/lilypond/current/fonts/svg
mkdir -p ./out/share/lilypond/current/fonts/enc
mkdir -p ./out/share/lilypond/current/tex
cd ./out/bin && \
        ln -sf ../../lily/out/lilypond . && \
	for i in abc2ly convert-ly etf2ly lilymidi lilypond-book 
lilypond-invoke-editor midi2ly musicxml2ly; \
                do ln -sf ../../scripts/out/$i . ; done
cd ./out/lib/lilypond/current && \
        ln -s ../../../../python/out python
cd ./out/share/lilypond/current && \
        ln -s /home/jcharles/GIT/Devel/ly ly && \
        ln -s ../../../../mf mf && \
        ln -s /home/jcharles/GIT/Devel/ps && \
        ln -s ../../../../python/out python && \
        ln -s /home/jcharles/GIT/Devel/scm && \
        ln -s /home/jcharles/GIT/Devel/scripts scripts
cd ./out/share/lilypond/current/tex && \
        ln -s /home/jcharles/GIT/Devel/tex source && \
        ln -s ../../../../../tex/out tex-out && \
        true
cd ./out/share/lilypond/current/fonts && \
        ln -s /home/jcharles/GIT/Devel/mf source && \
        true
cd ./out/share/lilypond/current/elisp && \
        ln -sf ../../../../../elisp/out/lilypond-words.el . && \
        ln -s /home/jcharles/GIT/Devel/elisp/*.el .
true
touch ./out/share/lilypond/current/lilypond-force
make -C python
make[1]: Entering directory '/home/jcharles/GIT/Devel/python'
# Making python/out/rational.pyc.dummy (py compile)
# Do not use buildscript-dir, this has not been traversed yet.
cd ./out && /usr/bin/python -tt 
/home/jcharles/GIT/Devel/scripts/build/compile.py rational.py
Traceback (most recent call last):
  File "/home/jcharles/GIT/Devel/scripts/build/compile.py", line 17, in 
<module>
    py_compile.compile (src, cfile=cfile, doraise=True)
  File "/usr/lib64/python3.7/py_compile.py", line 141, in compile
    source_bytes = loader.get_data(file)
  File "<frozen importlib._bootstrap_external>", line 916, in get_data
FileNotFoundError: [Errno 2] No such file or directory: 'rational.py'
make[1]: *** [GNUmakefile:14: out/rational.pyc.dummy] Error 1
make[1]: Leaving directory '/home/jcharles/GIT/Devel/python'
make: *** [GNUmakefile:198: build-scripts] Error 2