[skip ci] - fix: unify doc8

Author: jaidisido

building/build-docs.sh

@@ -4,4 +4,4 @@ set -ex
 pushd ..
 rm -rf docs/build docs/source/stubs
 make -C docs/ html
-doc8 --max-line-length 120 docs/source
+doc8 --ignore-path docs/source/stubs --max-line-length 120 docs/source