[www-scripts] Sphinx Doc Update: ERROR

[root via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 1527.
UPDATING lnt SOURCES
HEAD is now at 6034399 [LNT] Pin Python version in Dockerfile to 3.7 temporarily
>From https://github.com/llvm/llvm-lnt
 * branch            master     -> FETCH_HEAD
Current branch master is up to date.
make: *** No rule to make target `html'.  Stop.