I tried to build the documentation on 9.2 beta 8 and the documentation building seems to get hang on:
^C[dochtml] Error building the documentation.
[dochtml] Traceback (most recent call last):
[dochtml] File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/runpy.py", line 193, in _run_module_as_main
[dochtml] "__main__", mod_spec)
[dochtml] File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/runpy.py", line 85, in _run_code
[dochtml] exec(code, run_globals)
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/__main__.py", line 2, in <module>
[dochtml] main()
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 1721, in main
[dochtml] builder()
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 337, in _wrapper
[dochtml] build_many(build_other_doc, L)
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 281, in build_many
[dochtml] _build_many(target, args, processes=NUM_THREADS)
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/utils.py", line 263, in build_many
[dochtml] waited_pid, waited_exitcode = wait_for_one()
[dochtml] File "/Users/zscherr/sage/develop/local/lib/python3.7/site-packages/sage_setup/docbuild/utils.py", line 179, in wait_for_one
[dochtml] pid, sts = os.wait()
[dochtml] File "src/cysignals/signals.pyx", line 320, in cysignals.signals.python_check_interrupt
[dochtml] KeyboardInterrupt