linux-next: build failure after upgrading sphinx

[Stephen Rothwell]

Hi all,

Today I upgraded ot sphinx v3.2.1 and got the following error from
"make htmldocs":

Running Sphinx v3.2.1
enabling CJK for LaTeX builder

Extension error:
Could not import extension cdomain (exception: cannot import name 'c_funcptr_sig_re' from 'sphinx.domains.c' (/usr/lib/python3/dist-packages/sphinx/domains/c.py))

I have downgraded to version 2.4.3 and await suggestions/patches :-)

-- 
Cheers,
Stephen Rothwell

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