Also need to disable doctests on appveyor for now because of the incompatibility with sphinx.

Conditionals are harder there, so just disable it wholesale. We still test them on Unix.

Author: jamadden

appveyor.yml

@@ -166,7 +166,8 @@ build_script:
 
 test_script:
   - "%CMD_IN_ENV% python -m unittest discover -v greenlet.tests"
-  - "%CMD_IN_ENV% python -m sphinx -b doctest -d docs/_build/doctrees docs docs/_build/doctest"
+# XXX: Doctest disabled pending sphinx release for 3.10; see tests.yml.
+#  - "%CMD_IN_ENV% python -m sphinx -b doctest -d docs/_build/doctrees docs docs/_build/doctest"
 
 after_test:
   - "%CMD_IN_ENV% python setup.py bdist_wheel"