due to "conftest.py" already being loaded when collecting directories

we cannot skip here.

--HG--
branch : trunk

doc/conftest.py

@@ -1,5 +1,5 @@
 #XXX make work: excludedirs = ['_build']
 import py
-py.test.importorskip("pygments")
+#py.test.importorskip("pygments")
 pytest_plugins = ['pytest_restdoc']
 rsyncdirs = ['.']