Use correct sphinx-build name for python-fields and python-filelock (#8192)

SPECS/python-fields/python-fields.spec

@@ -62,7 +62,7 @@ sed -i 's/\[pytest\]/\[tool:pytest\]/' setup.cfg
 
 %build
 %py3_build
-PYTHONPATH=$PWD/src sphinx-build%{python3_pkgversion} -b html docs docs/_build/html
+PYTHONPATH=$PWD/src sphinx-build -b html docs docs/_build/html
 rm -rf docs/_build/html/.buildinfo docs/_build/html/.doctrees
 
 %install

SPECS/python-filelock/python-filelock.spec

@@ -47,7 +47,7 @@ the same lock object twice, it will not block.
 %build
 %py3_build
 
-make -C docs html man SPHINXBUILD=sphinx-build3
+make -C docs html man SPHINXBUILD=sphinx-build
 rm docs/build/html/.buildinfo
 
 %install