Makefile.sphinx: Exclude swh/*/conftest.py files from apidoc processing

Such files are not of interest for API documentation and can generate doc
build errors.

Since swh-web tests reorganization, we now have such file so we need to
exclude it from apidoc processing.

Makefile.sphinx

@@ -10,7 +10,7 @@ SPHINX_BUILDDIR = _build
 SPHINX_SRCDIR = .
 
 # relative to docs/ dir. Hence "." exclude the docs/ dir itself
-APIDOC_EXCLUDES = . ../setup.py ../conftest.py
+APIDOC_EXCLUDES = . ../setup.py ../conftest.py ../swh/*/conftest.py
 APIDOC_EXCLUDES += ../swh/*/tests ../swh/*/tests/* ../swh/*/*/tests/* ../swh/*/*/*/tests/*
 APIDOC_EXCLUDES += ../swh/*/migrations ../swh/*/migrations/* ../swh/*/*/migrations/* ../swh/*/*/*/migrations/*
 APIDOC_EXCLUDES += ../bin ../dist ../utils ../node_modules

docs/Makefile

@@ -16,7 +16,8 @@ APIDOC_DIR = apidoc
 APIDOC_OPTS = --ext-viewcode --separate --no-toc
 APIDOC_EXCLUDES = */tests */tests/* */*/tests/* */*/*/tests/*
 APIDOC_EXCLUDES += */migrations */migrations/* */*/migrations/* */*/*/migrations/*
-APIDOC_EXCLUDES += */wsgi.py */*/wsgi.py */*/*/wsgi.py */*/*/wsgi.py
+APIDOC_EXCLUDES += */wsgi.py */*/wsgi.py */*/*/wsgi.py
+APIDOC_EXCLUDES += */conftest.py */*/conftest.py */*/*/conftest.py
 APIDOC_EXCLUDES += deposit/settings/* web/settings/* dataset/*
 APIDOC_SWH_EXCLUDES = $(patsubst %,$(SWHPKGDIR)/%,$(APIDOC_EXCLUDES))